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Tubes/Valves: "First Year"

Here we list only tubes (valves) or semiconductors of which we have entered the date of market introduction or if not introduced of the presentation of the finished sample.
2283 Year Tube Type Base Country Manufacturer Design
1904 Fleming_exp SINGLE-DIO... Wires Fleming - ... Fleming - ...
1906 Audion_01-twoelectr Gas Diode Edison (ca... DeForest-T... DeForest-T...
1906 Fleming_Oscillation SINGLE-DIO... Edison med... GB Ediswan, S... Fleming - ...
1907 AUDION_DeForest Gas Triode Edison (ca... DeForest-T...
1908 x-ray-rectifier X-ray tube Unknown Eu...
1909 Audion_dbw Gas Triode Edison (ca... USA DeForest-T... DeForest-T...
1910 Flemingdiode-France SINGLE-DIO... F Métal; Fra...
1910 LRS_Relais Gas Triode AEG (Radio...
1911 Liebenröhre_Prototyp Gas Triode Edison big... A von Lieben...
10 
1911 vonBronk_triode Triode, va... Edison med...
11 
1912 Lieben-Einrohr-Verst Gas Triode von Lieben...
12 
1912 Liebenröhre Gas Triode Telefunken...
13 
1912 Liebenröhre_AEGgross Gas Triode Telefunken... D AEG (Radio...
14 
1912 Liebenröhre_Telefunk Gas Triode Telefunken... D AEG (Radio...
15 
1912 T_deForest Triode, va... Wires DeForest-T... DeForest-T...
16 
1912 Triode_France Gas Triode Edison, si... F Métal; Fra...
17 
1913 B_Western Triode, va... Wires Western El... Western El...
18 
1913 Liebenröhre_AEGklein Gas Triode Telefunken... D AEG (Radio...
19 
1913 Liebenröhre_S&Hgross Gas Triode SPECIAL TU... D Siemens (&...
20 
1913 Round_Type-C Gas Triode Swan-Bajon...
21 
1914 EVN94 Triode, va... Wires D Telefunken... Telefunken...
22 
1914 M_Western Triode, va... UV-Base (4... Western El... Western El...
23 
1914 Papaleksi Gas Triode Swan-Bajon... Russische ... Russische ...
24 
1914 Papaleksi_2 Gas Triode Swan-Bajon... Russische ... Russische ...
25 
1914 Papaleksi_3 Gas Triode Swan-Bajon... Russische ... Russische ...
26 
1914 Round_Type-N Gas Triode Marconi's ...
27 
1914 Round_Type-T Gas Triode Marconi's ...
28 
1914 Round_Type-TN Gas Triode Marconi's ...
29 
1915 102A Triode, va... UV-Base (4... Western El... Western El...
30 
1915 AudioTron TRIODE (De... Wires USA Cunningham... Cunningham...
31 
1915 D_Marconi Triode, va... Edison (ca... Marconi Wi...
32 
1915 L_Western Triode, va... UV-Base (4... Western El... Western El...
33 
1915 Messerkontaktröhre TRIODE (De... Blade cont... D UNBEKANNTE...
34 
1915 Moorhead_1 Gas Triode Wires Moorhead L... Moorhead L...
35 
1915 Sch86 Screen-gri... SPECIAL TU... Siemens (&...
36 
1915 TM Triode, va... Europe 4-P... Common typ...
37 
1915 V_Western Triode, va... UV-Base (4... Western El... Western El...
38 
1916 A_Siemens Triode, va... Blade cont... D Siemens (&... Siemens (&...
39 
1916 Bontsch-Brujewitsch Gas Triode Swan-Bajon... Tversk St... Tversk St...
40 
1916 ER_Moorhead Gas Triode UV-Base (4... Moorhead L... Moorhead L...
41 
1916 ES1_Ediswan Triode, va... Europe 4-P... Ediswan, S...
42 
1916 EVN171 Triode, va... Telefunken... CDN Telefunken...
43 
1916 Moorhead_Ext_Grid Gas Triode Wires Moorhead L... Moorhead L...
44 
1916 Q_Marconi Triode, va... Soffit Marconi's ...
45 
1916 R_England Triode, va... Europe 4-P... GB Common typ... BTH (B.T.H...
46 
1916 TMB Transmitti... Europe 4-P... Métal; Fra...
47 
1916 TMC Triode, va... Europe 4-P... Métal; Fra...
48 
1916 V24 Triode, va... SPECIAL TU... Marconi's ... Ediswan, S...
49 
1916 White-valve Triode, va... Swan-Bajon...
50 
1917 AUDION_Japan Gas Triode Tokyo Elec... Tokyo Elec...
51 
1917 A_BTH Triode, va... Europe 4-P... BTH (B.T.H...
52 
1917 CA_Pliotron Triode, va... UV-Base (4... General El... General El...
53 
1917 CF-185 Triode, va... SPECIAL TU... DeForest-T... DeForest-T...
54 
1917 CW-186 Triode, va... SPECIAL TU... Western El... Western El...
55 
1917 CW-933 Triode, va... UV-Base (4... Western El... Western El...
56 
1917 E1 Transmitti... Europe 4-P... CDN Métal; Fra...
57 
1917 ER_Moorhead-1917 Gas Triode Wires Moorhead L... Moorhead L...
58 
1917 ER_Moorhead-Edison Gas Triode Edison (ca... Moorhead L... Moorhead L...
59 
1917 EVE173 Triode, va... Telefunken... D Telefunken... Telefunken...
60 
1917 Gorizia Gas Triode Europe 4-P... Longoni, G... Majorana, ...
61 
1917 Holland Gas Triode Edison med... NL Holland (t... Holland (t...
62 
1917 K6 Triode, va... D AEG (Radio...
63 
1917 M_Schott TRIODE (De... Telefunken... D Schott und... Schott und...
64 
1917 Mc Triode, va... Blade cont... D Siemens (&...
65 
1917 NT1 Transmitti... A Osram-Valv...
66 
1917 R2_England Gas Triode Edison (ca... Common typ... Osram-Valv...
67 
1917 RE16 Triode, va... Telefunken... CDN Telefunken...
68 
1917 RS15_Huth Transmitti... SPECIAL TU... Huth, Sign... Huth, Sign...
69 
1917 RS30 Transmitti... Huth, Sign...
70 
1917 R_Moorhead Triode, va... Europe 4-P... Moorhead L...
71 
1917 SSI Screen-gri... Telefunken... Siemens (&...
72 
1917 SSII Screen-gri... EU-Telepho... Siemens (&...
73 
1917 SSIII Screen-gri... EU-Telepho... Siemens (&...
74 
1917 SSI_G5K Screen-gri... EU-Telepho... Siemens (&...
75 
1917 S_deForest Triode, va... Edison (ca... DeForest-T...
76 
1917 T1 Transmitti... Marconi-Os... Marconi-Os...
77 
1917 T2A Transmitti... Wires Osram-Valv... Osram-Valv...
78 
1917 T3_Osram Transmitti... Wires Osram-Valv... Osram-Valv...
79 
1917 VT-1 Triode, va... UV-Base (4... Western El... Western El...
80 
1917 VT-21 Triode, va... UY-Base, 5... DeForest-T... DeForest-T...
81 
1918 B_BTH Triode, va... Europe 4-P... BTH (B.T.H...
82 
1918 CG-1144 Transmitti... Jumbo 4-pi... General El... General El...
83 
1918 CG-1162 Triode, va... UV-Base (4... General El... General El...
84 
1918 CG-886 Triode, va... SPECIAL TU... General El... General El...
85 
1918 CG-890 Triode, va... UV-Base (4... General El... General El...
86 
1918 CG-916 Transmitti... Pin-and-bl... General El... General El...
87 
1918 C_Osram Triode, va... IS-1 (Inte... Osram-Valv... Osram-Valv...
88 
1918 E2 Transmitti... Europe 4-P... Métal; Fra...
89 
1918 E4 Transmitti... Europe 3-P... Common typ...
90 
1918 G_Pliotron Triode, va... General El... General El...
91 
1918 Gleichrichter_gross Full-Wave ... Edison big... D Telefunken...
92 
1918 Gleichrichter_klein Gas Rectif... Edison big... D Telefunken...
93 
1918 Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
94 
1918 MSI Transmitti... CHF Müller...
95 
1918 MSII Transmitti... TRANSMITTI... CHF Müller...
96 
1918 O_Western Triode, va... UV-Base (4... Western El... Western El...
97 
1918 R2A Gas Triode Edison (ca... Osram-Valv... Osram-Valv...
98 
1918 RE11 Triode, va... Telefunken... CDN Telefunken...
99 
1918 RE11S Triode, va... Telefunken... Telefunken...
100 
1918 RS1 Transmitti... TRANSMITTI... Telefunken...
101 
1918 RS12 Transmitti... 4-socket G... Telefunken... Telefunken...
102 
1918 RS17 Transmitti... TRANSMITTI... Telefunken...
103 
1918 RS2_Telefunken Transmitti... Telefunken...
104 
1918 RS3_Telefunken Transmitti... Telefunken...
105 
1918 RS4_Telefunken Transmitti... Telefunken... CDN Telefunken...
106 
1918 RS5 Transmitti... SPECIAL TU... CDN Telefunken...
107 
1918 Receiving TRIODE (De... Bal-Tubes ... Bal-Tubes ...
108 
1918 SE-1444_Moorhead Triode, va... UV-Base (4... Moorhead L... Moorhead L...
109 
1918 ST12 Triode, va... CDN TeKaDe (TK...
110 
1918 T4 Transmitti... Jumbo 4-pi...
111 
1918 T4A Transmitti... Wires Osram-Valv... Osram-Valv...
112 
1918 U1_Osram Half-Wave ... Wires Osram-Valv... Osram-Valv...
113 
1918 U2_Osram Half-Wave ... Wires Osram-Valv... Osram-Valv...
114 
1918 VT-16 Triode, va... UV-Base (4... General El... General El...
115 
1918 VT-2 Transmitti... UV-Base (4... MEX Common typ... Western El...
116 
1918 VT32_Moorhead Triode, va... Europe 4-P... Moorhead L... Moorhead L...
117 
1919 212D Transmitti... Large 4 pi... A Western El... Western El...
118 
1919 215A Triode, va... Peanut (WE... ROK Western El... Western El...
119 
1919 A_Donle Gas Triode Connecticu...
120 
1919 A_Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
121 
1919 A_Moorhead-spherical Triode, va... UV-Base (4... Moorhead L... Moorhead L...
122 
1919 A_Philips Gas Triode Edison med... Philips; E... Philips; E...
123 
1919 B_Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
124 
1919 B_Moorhead-Europe Gas Triode Europe 4-P... Moorhead L...
125 
1919 B_Moorhead-Shaw Gas Triode UV-Base (4... Moorhead L... Moorhead L...
126 
1919 B_Philips Gas Triode Edison med... Philips; E... Philips; E...
127 
1919 C-I_Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
128 
1919 CW-1344 Triode, va... SPECIAL TU... Common typ... Western El...
129 
1919 CW-38015 Triode, va... Peanut (WE... Western El... Western El...
130 
1919 CW1344 Triode, va... Peanut (WE... Western El... Western El...
131 
1919 C_Donle Gas Triode UV-Base (4... Connecticu...
132 
1919 C_Moorhead Triode, va... UV-Base (4... Moorhead L... Moorhead L...
133 
1919 C_Philips Gas Triode Edison med... Philips; E... Philips; E...
134 
1919 D_Moorhead Gas Triode Wires Moorhead L...
135 
1919 E_Moorhead Triode, va... Europe 4-P... Moorhead L...
136 
1919 F_Moorhead Gas Triode Europe 4-P... Moorhead L...
137 
1919 G_Moorhead Triode, va... Europe 4-P... Moorhead L... Moorhead L...
138 
1919 MT1_Ediswan Transmitti... Wires Ediswan, S... Marconi's ...
139 
1919 MT1_MOV Transmitti... Wires Marconi-Os... Marconi's ...
140 
1919 MT2 Transmitti... Wires Ediswan, S... Marconi's ...
141 
1919 MT2C Transmitti... TRANSMITTI... Ediswan, S... Marconi's ...
142 
1919 MT3 Transmitti... TRANSMITTI... Ediswan, S... Marconi's ...
143 
1919 MT3F Transmitti... TRANSMITTI... Ediswan, S... Marconi's ...
144 
1919 MT4 Transmitti... Wires Ediswan, S... Marconi's ...
145 
1919 MT4_var Transmitti... Ediswan, S... Marconi's ...
146 
1919 MT5B Transmitti... TRANSMITTI... Ediswan, S... Marconi's ...
147 
1919 MT6 Transmitti... Wires Ediswan, S... Marconi's ...
148 
1919 PR1 Triode, va... Europe 4-P... Tversk St... Tversk St...
149 
1919 R4C Triode, va... Europe 4-P... GEC, Gener...
150 
1919 T5 Transmitti... Edison (ca... Osram-Valv... Osram-Valv...
151 
1919 TypeA LOCKED OFF... UV-Base (4... Moorhead L... Moorhead L...
152 
1919 VT-5 Triode, va... Peanut (WE... Western El... Western El...
153 
1919 VT-Class-I Gas Triode UV-Base (4... Marconi Wi... Moorhead L...
154 
1919 VT-Class-II Triode, va... UV-Base (4... Marconi Wi... Moorhead L...
155 
1920 1D Transmitti... Pin-and-bl... DeForest-T... DeForest-T...
156 
1920 1G Transmitti... Pin-and-bl... DeForest-T... DeForest-T...
157 
1920 1J Transmitti... Pin-and-bl... DeForest-T... DeForest-T...
158 
1920 1K Transmitti... Pin-and-bl... DeForest-T... DeForest-T...
159 
1920 A-P_Oscillator Triode, va... UV-Base (4... Moorhead L... Moorhead L...
160 
1920 A-P_Relais Triode, va... Moorhead L...
161 
1920 A-P_Transmitter Triode, va... UV-Base (4... Moorhead L...
162 
1920 C-300 LOCKED OFF... UV-Base (4...
163 
1920 C-302 LOCKED OFF... UV-Base (4... Cunningham...
164 
1920 Expanse Triode, va... Wires Amalgamate... Cunningham...
165 
1920 Expanse-B Gas Triode Wires Amalgamate... Amalgamate...
166 
1920 FE1_MO Screen-gri... SPECIAL TU... Marconi's ...
167 
1920 G_Western Transmitti... Jumbo 4-pi... Western El... Western El...
168 
1920 K_Mul Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
169 
1920 LVB Gas Triode Edison med... Heussen, M... Heussen, M...
170 
1920 Neuvron-A Transmitti... Métal; Fra...
171 
1920 R7 Triode, va... IS-1 (Inte... Mullard Ra...
172 
1920 RAC3 Triode, va... SPECIAL TU... Radio Audi... Radio Lamp...
173 
1920 UV200 Gas Triode UV-Base (4... General El... General El...
174 
1920 UV201 Triode, va... UV-Base (4... General El... General El...
175 
1921 211A Transmitti... Jumbo 4-pi... Western El... Western El...
176 
1921 A-P_Rectifier Half-Wave ... UV-Base (4... Moorhead L...
177 
1921 CW-1818 Transmitti... Jumbo 4-pi... Western El... Western El...
178 
1921 E4M Transmitti... Métal; Fra...
179 
1921 E4N Transmitti... Métal; Fra...
180 
1921 ES2_Ediswan Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
181 
1921 ES4 Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
182 
1921 I-T-E-V Triode, va... Europe 4-P...
183 
1921 J-117-Connecticut Gas Triode No base Connecticu... Connecticu...
184 
1921 LT1 Triode, va... Europe 4-P... GB MO Valve C...
185 
1921 Q_Philips Space Char... Europe 4-P... Philips; E... Philips; E...
186 
1921 RMR Triode, va...
187 
1921 R_Radiotech Transmitti... La Radiote...
188 
1921 UV202 Transmitti... UV-Base (4... RCA (RCA V... General El...
189 
1921 UV203 Transmitti... Jumbo 4-pi... RCA (RCA V... General El...
190 
1921 UV204_spherical Transmitti... Pin-and-bl... ROK General El... General El...
191 
1921 UV216 Half-Wave ... UV-Base (4... General El... General El...
192 
1922 101DW Triode, va... UV-Base (4... Western El... Western El...
193 
1922 102DW Triode, va... UV-Base (4... Western El... Western El...
194 
1922 104DW Triode, va... UV-Base (4... Western El... Western El...
195 
1922 214A High-vacuu... Jumbo 4-pi... Western El... Western El...
196 
1922 216A Triode, va... UV-Base (4... Western El... Western El...
197 
1922 223A Triode, va... UV-Base (4... Western El...
198 
1922 AR_HF Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
199 
1922 AT25 Transmitti... Europe 4-P... Marconi-Os...
200 
1922 AT40 Transmitti... Europe 4-P... Marconi-Os...
201 
1922 B-I TRIODE (De... Europe 4-P... Philips; E...
202 
1922 B-II Triode, va... Europe 4-P... Philips; E... Philips; E...
203 
1922 B-III TRIODE (De... Europe 4-P... Philips; E...
204 
1922 C-I Gas Triode Edison med... Philips; E... Philips; E...
205 
1922 C-II_Ideezet Triode, va... Edison, si... Ideezet tu... Philips; E...
206 
1922 Donle-Detector Gas Triode Connecticu...
207 
1922 E5 Transmitti... Métal; Fra...
208 
1922 E6 Transmitti... Métal; Fra...
209 
1922 ERECT High-vacuu... Wires Marconi-Os...
210 
1922 F_Philips Triode, va... Europe 4-P... Philips; E... Philips; E...
211 
1922 K75_Métal Half-Wave ... Wires Métal; Fra...
212 
1922 Kenotron-0 Half-Wave ... Europe 4-P... Métal; Fra...
213 
1922 Kenotron-1 Half-Wave ... Europe 4-P... Métal; Fra...
214 
1922 Kenotron-2 Half-Wave ... Europe 3-P... Métal; Fra...
215 
1922 Kenotron-3 Half-Wave ... Wires Métal; Fra...
216 
1922 Kenotron-5 Half-Wave ... Wires Métal; Fra...
217 
1922 Kenotron-6 Half-Wave ... Europe 4-P... Métal; Fra...
218 
1922 MR4_MOV Half-Wave ... Wires MO Valve C... Osram-Valv...
219 
1922 MT7A Transmitti... TRANSMITTI... Osram-Valv... Marconi's ...
220 
1922 MT7B Transmitti... Wires Osram-Valv... Marconi's ...
221 
1922 Neuvron-B Transmitti... Métal; Fra...
222 
1922 Neuvron-C Transmitti... Métal; Fra...
223 
1922 ORA Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
224 
1922 ORA-A Triode, va... Europe 4-P... Mullard Ra...
225 
1922 R4B_BTH Triode, va... Europe 4-P... BTH (B.T.H...
226 
1922 RAC LOCKED OFF... MO Valve C...
227 
1922 R_Marconi Triode, va... Europe 4-P... MO Valve C...
228 
1922 T250_MO Transmitti... Wires MO Valve C...
229 
1922 T30_MO Transmitti... Europe 4-P... MO Valve C...
230 
1922 UV199 Triode, va... UV199 ROK Common typ... General El...
231 
1922 UV201A Triode, va... UV-Base (4... General El... General El...
232 
1922 VE Space Char... Europe 4-P... Heussen, M... Heussen, M...
233 
1922 WB800 Current Re... Westinghou... Westinghou...
234 
1922 WD11 Triode, va... WD-base ROK Westinghou... Westinghou...
235 
1922 WR21 Triode, va... Europe 4-P... Westinghou... Westinghou...
236 
1922 X-ray_Philips X-ray tube SPECIAL TU... Philips; E... Philips; E...
237 
1923 212A Transmitti... Large 4 pi... ROK Western El... Western El...
238 
1923 219A High-vacuu... Large 4 pi... Western El... Western El...
239 
1923 4215A Triode, va... SPECIAL TU... A Standard T...
240 
1923 A-P_Solenoid TRIODE (De... UV-Base (4... Moorhead L...
241 
1923 AR23 Triode, va... Europe 4-P... CDN Loewe-(Opt...
242 
1923 ARDE Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
243 
1923 ARDE_HF Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
244 
1923 ARDE_LF Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
245 
1923 B2_BTH Triode, va... Europe 4-P... BTH (B.T.H...
246 
1923 B4H Triode, va... Europe 4-P... BTH (B.T.H...
247 
1923 B5H Triode, va... Europe 4-P... BTH (B.T.H...
248 
1923 CW-1819 Transmitti... Large 4 pi... Western El... Western El...
249 
1923 D-VI Space Char... Europe 4-P... NL Philips; E... Philips; E...
250 
1923 DE2_Ediswan Triode, va... Europe 4-P... Ediswan, S...
251 
1923 DV1_1volt Triode, va... UV-Base (4... DeForest-T... DeForest-T...
252 
1923 DV2 Triode, va... UV-Base (4... DeForest-T... General El...
253 
1923 DV6A Triode, va... UV-Base (4... DeForest-T... DeForest-T...
254 
1923 E52 Transmitti... Europe 4-P... La Radiote...
255 
1923 E_Philips Triode, va... Europe 4-P... Philips; E...
256 
1923 E_SFR Triode, va... Europe 4-P... SFR (S.F.R...
257 
1923 GL-203A Transmitti... Jumbo 4-pi... General El... General El...
258 
1923 LE229 TRIODE (De... Huth, Sign...
259 
1923 LF_double_green_D3 Triode, va... Europe 4-P... Mullard Ra...
260 
1923 LS3_MO Triode, va... Europe 4-P... Marconi-Os...
261 
1923 LS5 Triode, va... Europe 4-P... A Marconi-Os...
262 
1923 LV0,1/50 Triode, va... Telefunken... Lorenz; Be...
263 
1923 ORA-B Triode, va... IS-1 (Inte... Mullard Ra...
264 
1923 PA1_Mullard Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
265 
1923 PA2_Mullard Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
266 
1923 R3_RT Triode, va... Europe 4-P... La Radiote...
267 
1923 RA_Mullard Triode, va... Europe 4-P... Mullard Ra...
268 
1923 RE48 TRIODE (De... CDN Telefunken...
269 
1923 RT Transmitti... Europe 4-P... Dario (tub...
270 
1923 Radio-Secteur Triode, va... Europe 4-P... Métal; Fra... Métal; Fra...
271 
1923 Sodion_S11 Gas Triode UV-Base (4... Connecticu... Connecticu...
272 
1923 Sodion_S13 Gas Triode SPECIAL TU... Connecticu... Connecticu...
273 
1923 UV203A Transmitti... Jumbo 4-pi... General El... General El...
274 
1923 UV213 Full-Wave ... UV-Base (4... General El... General El...
275 
1923 VT-6 Transmitti... Large 4 pi... ROK Western El... Western El...
276 
1923 WD12 Triode, va... UV-Base (4... ROK RCA (RCA V... Westinghou...
277 
1923 WT501-gridless-triode Gas Triode Swan-Bajon... Welsh Elec... Welsh Elec...
278 
1924 1-VOLT-ORA Triode, va... Mullard Ra...
279 
1924 205D Triode, va... UV-Base (4... Western El... Western El...
280 
1924 209_Marine Triode, va... Europe 4-P... Grammont (...
281 
1924 211D Transmitti... Jumbo 4-pi... Western El... Western El...
282 
1924 6/100 Triode, va... Europe 4-P... Métal; Fra... Métal; Fra...
283 
1924 A1 Triode, va... Microlux, ...
284 
1924 A441 Space Char... Europe 4-P... NL Philips; E... Philips; E...
285 
1924 A_Magnavox Triode, va... Magnavox C...
286 
1924 B406 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
287 
1924 B8 Triode, va... Europe 4-P... BTH (B.T.H...
288 
1924 C2_Microlux Triode, va... Microlux, ...
289 
1924 C3_Microlux Triode, va... Europe 4-P... Microlux, ...
290 
1924 CW-1818A Transmitti... Jumbo 4-pi... Western El... Western El...
291 
1924 D-21_Sodion Gas Triode UV-Base (4... Connecticu...
292 
1924 DE11 Triode, va... Europe 4-P... Metropolit...
293 
1924 DE5_Marconi Triode, va... Europe 4-P... MO Valve C... Marconi-Os...
294 
1924 DF-ORA Triode, va... Europe 4-P... Mullard Ra...
295 
1924 DFA1 Triode, va... Europe 4-P... Mullard Ra...
296 
1924 DG_Mullard Space Char... Europe 4-P... Mullard Ra...
297 
1924 DR2_Ediswan Triode, va... Europe 4-P... Ediswan, S...
298 
1924 DV2_Del-Vecchio Transmitti... Europe 4-P... Del Vecchi...
299 
1924 GF Triode, va... Europe 4-P... Métal; Fra...
300 
1924 HE4 Triode, va... Europe 4-P... Penton Eng...
301 
1924 HE6 Triode, va... Europe 4-P... Penton Eng...
302 
1924 K1_Thorpe Triode, va... Europe 4-P... Thorpe Rad... Thorpe Rad...
303 
1924 LA74 Triode, va... Europe 4-P... CDN Loewe-(Opt...
304 
1924 LA75 Triode, va... Europe 4-P... CDN Loewe-(Opt...
305 
1924 LE244 Triode, va... Europe 4-P... D Huth, Sign...
306 
1924 LF-ORA Triode, va... Europe 4-P... Mullard Ra...
307 
1924 LF_green Triode, va... Europe 4-P... Mullard Ra...
308 
1924 LSS_Triotron Triode, va... Europe 4-P... Triotron (... Triotron (...
309 
1924 ONE-VOLT-ORA Triode, va... Europe 4-P... Mullard Ra...
310 
1924 PV2_Ediswan Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
311 
1924 R15 Triode, va... Europe 4-P... CH La Radiote...
312 
1924 R24 Triode, va... Europe 4-P... NL La Radiote...
313 
1924 R29 Triode, va... Europe 4-P... Dario (tub...
314 
1924 R31 Triode, va... Europe 4-P... CH La Radiote...
315 
1924 R36 Triode, va... Europe 4-P... CH La Radiote...
316 
1924 RE71 Triode, va... Europe 4-P... CDN Telefunken...
317 
1924 RE72 Triode, va... Telefunken... CDN Telefunken...
318 
1924 RE75 TRIODE (De... Europe 4-P... CDN Telefunken...
319 
1924 RE78 Triode, va... Telefunken... CDN Telefunken...
320 
1924 RE79 Triode, va... Europe 4-P... CDN Telefunken...
321 
1924 RE82 Space Char... EU-Telepho... CDN Telefunken...
322 
1924 RE83 Triode, va... Telefunken... CDN Telefunken...
323 
1924 RE84 Triode, va... Telefunken... CDN Telefunken... Siemens (&...
324 
1924 RE86 Triode, va... Telefunken... CDN Telefunken...
325 
1924 RE87 Space Char... Telefunken... CDN Telefunken...
326 
1924 RE88 Triode, va... UV-Base (4... CDN Telefunken...
327 
1924 RE89 Triode, va... Europe 4-P... CDN Telefunken...
328 
1924 RE96 Triode, va... Europe 4-P... CDN Telefunken...
329 
1924 RE97 Triode, va... Telefunken... CDN Telefunken...
330 
1924 R_Penton Triode, va... Europe 4-P...
331 
1924 SS_Triotron Triode, va... Europe 4-P... Triotron (...
332 
1924 Sodion_S14 Gas Triode UV-Base (4... Connecticu... Connecticu...
333 
1924 U110 Gas Triode Europe 4-P... D Radioröhre... Radioröhre...
334 
1924 U220 Gas Triode D Radioröhre...
335 
1924 U30 High-vacuu... British-7-... A MO Valve C...
336 
1924 UV210 Triode, va... UV-Base (4... General El... General El...
337 
1924 VO LOCKED OFF... Europe 4-P... Grammont (... Grammont (...
338 
1925 0.06_Louden Triode, va... Louden Val...
339 
1925 01A Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
340 
1925 10 Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
341 
1925 1018 Half-Wave ... SPECIAL TU... NL Philips; E... Philips; E...
342 
1925 201A Triode, va... UX-Base (4... ROK Common typ... General El...
343 
1925 210_UX-Triode Triode, va... UX-Base (4... Common typ... General El...
344 
1925 230D Triode, va... SPECIAL TU... Western El...
345 
1925 373 Half-Wave ... Europe 3-P... NL Philips; E... Philips; E...
346 
1925 99 Triode, va... UV199 ROK Common typ... General El...
347 
1925 A109 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
348 
1925 A115 TRIODE (De... Europe 4-P... NL Philips; E... Philips; E...
349 
1925 A141 Space Char... Europe 4-P... Philips; E... Philips; E...
350 
1925 A206 Triode, va... Europe 4-P... NL Valvo GmbH... Philips; E...
351 
1925 A209 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
352 
1925 A241 Space Char... Europe 4-P... NL Philips; E... Philips; E...
353 
1925 A341 Space Char... Europe 4-P... Philips; E... Philips; E...
354 
1925 A409 Triode, va... Europe 4-P... CDN Philips; E... Philips; E...
355 
1925 A410_Valvo Triode, va... Europe 4-P... D Valvo GmbH...
356 
1925 A415 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
357 
1925 A45 Triode, va... Europe 4-P... Metropolit...
358 
1925 AX201A Triode, va... UX-Base (4... Airline, S... GEC, Gener...
359 
1925 A_UX-base Triode, va... UX-Base (4... Common typ...
360 
1925 B105 Triode, va... Europe 4-P... NL Philips; E...
361 
1925 B403 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
362 
1925 B404 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
363 
1925 B405 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
364 
1925 B409 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
365 
1925 B415 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
366 
1925 B415_Gruenberger Triode, va... Europe 4-P... Grünberger...
367 
1925 BH Full-Wave ... UX-Base (4... ROK Raytheon M... Raytheon M...
368 
1925 B_CeCo Triode, va... UX-Base (4... CeCo (tube... General El...
369 
1925 Bigrille-Ampli Space Char... French Big... CH Grammont (...
370 
1925 C109 Triode, va... Europe 4-P... NL Philips; E...
371 
1925 CL104 Triode, va... Europe 4-P... CH Métal; Fra...
372 
1925 CL124 Triode, va... Europe 4-P... CH Métal; Fra...
373 
1925 CL172 Triode, va... Europe 4-P... Métal; Fra...
374 
1925 CL62 Triode, va... Europe 4-P... CH Métal; Fra...
375 
1925 CL63 Triode, va... Europe 4-P... Métal; Fra...
376 
1925 CL63B TRIODE (De... Europe 4-P... CH Métal; Fra...
377 
1925 CL64B Triode, va... Europe 4-P... CH Métal; Fra...
378 
1925 CX112 Triode, va... UX-Base (4... Cunningham... Westinghou...
379 
1925 CX301A Triode, va... UX-Base (4... ROK Cunningham... General El...
380 
1925 C_CeCo Triode, va... UV-Base (4... CeCo (tube... General El...
381 
1925 D105 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
382 
1925 DE3B Triode, va... Europe 4-P... MO Valve C...
383 
1925 DG Space Char... French Big... CH Métal; Fra...
384 
1925 DV3A Triode, va... UV199 DeForest-T... DeForest-T...
385 
1925 DV5 Triode, va... UV-Base (4... DeForest-T... DeForest-T...
386 
1925 DZ1 Dual-Grid ... French Big... CH Métal; Fra...
387 
1925 Dex235 Triode, va... Europe 4-P... Economic E... Economic E...
388 
1925 Dex240 Triode, va... Europe 4-P... Economic E... Economic E...
389 
1925 Dex306 Triode, va... Europe 4-P... Economic E... Economic E...
390 
1925 Dex530 Triode, va... Europe 4-P... Economic E... Economic E...
391 
1925 FE1_Louden Triode, va... Europe 4-P... Louden Val... Louden Val...
392 
1925 FE2_Louden Triode, va... Europe 4-P... Louden Val... Louden Val...
393 
1925 FE3_MO Space Char... Europe 4-P... Marconi-Os...
394 
1925 FER1_4Volt Triode, va... Europe 4-P... Louden Val... Louden Val...
395 
1925 FER2_4Volt Triode, va... Europe 4-P... Louden Val... Louden Val...
396 
1925 GM_Mazradia Dual-Grid ... French Big... Métal; Fra...
397 
1925 HF-Relay Triode, va... SPECIAL TU... Autoveyors...
398 
1925 HF_Fotos Triode, va... Grammont (...
399 
1925 HL512 Triode, va... Europe 4-P... Burndept L... Burndept L...
400 
1925 HL565 Triode, va... Europe 4-P... Burndept L... Burndept L...
401 
1925 K4_Thorpe Space Char... SPECIAL TU... Thorpe Rad...
402 
1925 K_Schott Triode, va... Telefunken... Schott und... Schott und...
403 
1925 L06 LOCKED OFF... Lorenz; Be...
404 
1925 L09 LOCKED OFF... Lorenz; Be...
405 
1925 LA101 Triode, va... Europe 4-P... CDN Loewe-(Opt...
406 
1925 LO0,1/50 Triode, va... Lorenz; Be...
407 
1925 LO6 Triode, va... Lorenz; Be...
408 
1925 LO9 Triode, va... Lorenz; Be...
409 
1925 LS1_MO Triode, va... Europe 4-P... MO Valve C...
410 
1925 LS2_MO Triode, va... Europe 4-P... Marconi-Os... Marconi-Os...
411 
1925 LV0,27/90 Triode, va... Telefunken... Lorenz; Be...
412 
1925 LV3,5/220 Triode, va... Lorenz; Be...
413 
1925 MOG TRIODE (De... Lorenz; Be...
414 
1925 Micro-Bigril Dual-Grid ... French Big... La Radiote... Dario (tub...
415 
1925 Micro-Bigril_R43 Dual-Grid ... French Big... La Radiote... Dario (tub...
416 
1925 PM4 Triode, va... Europe 4-P... A Mullard Ra...
417 
1925 PV8DE Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
418 
1925 Pyramid-1 Triode, va... Europe 4-P... Radions Lt...
419 
1925 Pyramid-2 Triode, va... Europe 4-P... Radions Lt...
420 
1925 R43 Dual-Grid ... French Big... CH La Radiote...
421 
1925 R5V Triode, va... Europe 4-P... MO Valve C...
422 
1925 RE061 Triode, va... Europe 4-P... CDN Telefunken...
423 
1925 RE202 TRIODE (De... SPECIAL TU... CDN Telefunken...
424 
1925 RE205 Triode, va... UV-Base (4... CDN Telefunken... Telefunken...
425 
1925 RE209 Triode, va... Europe 4-P... CDN Telefunken...
426 
1925 RE212 Space Char... Europe 4-P... CDN Telefunken...
427 
1925 RE216 Screen-gri... CDN Telefunken...
428 
1925 RE81 TRIODE (De... CDN Telefunken...
429 
1925 RE95 Triode, va... Europe 4-P... CDN Telefunken...
430 
1925 RM Dual-Grid ... French Big... CH Métal; Fra...
431 
1925 Reflex Triode, va... Europe 4-P... CDN Radioröhre...
432 
1925 SP18 Triode, va... Europe 4-P... Metropolit... Metropolit...
433 
1925 SP18/G Triode, va... Europe 4-P... Metropolit...
434 
1925 SP18/R Triode, va... Europe 4-P... Metropolit... Metropolit...
435 
1925 SP18/RR Triode, va... Europe 4-P... Metropolit... Metropolit...
436 
1925 SP55/B Triode, va... Europe 4-P... Metropolit... Metropolit...
437 
1925 SX201A Triode, va... UX-Base (4... Sylvania (... GEC, Gener...
438 
1925 Telotron Triode, va... Europe 4-P... CDN Radioröhre...
439 
1925 Thermionic-relay Triode, va... Europe 4-P... Autoveyors...
440 
1925 U60 Gas Triode D Radioröhre...
441 
1925 UL550 Gas Triode Europe 4-P... D Radioröhre... Radioröhre...
442 
1925 UV196 Full-Wave ... UV-Base (4... Westinghou... Westinghou...
443 
1925 UV216A Half-Wave ... UV-Base (4... General El... General El...
444 
1925 UV216B Half-Wave ... UV-Base (4... General El... General El...
445 
1925 UX-199_code9 LOCKED OFF... UX-Base (4... Common typ...
446 
1925 UX-201-A_Japan Triode, va... UX-Base (4... Cymotron サ... GEC, Gener...
447 
1925 UX112 Triode, va... UX-Base (4... Common typ... Westinghou...
448 
1925 UX171 Triode, va... UX-Base (4... ROK Common typ... General El...
449 
1925 UX199 Triode, va... UX-Base (4... ROK General El... General El...
450 
1925 UX200 Gas Triode UX-Base (4... Common typ... General El...
451 
1925 UX201A Triode, va... UX-Base (4... ROK Common typ... General El...
452 
1925 UX210 Triode, va... UX-Base (4... GB General El... General El...
453 
1925 UX213 Full-Wave ... UX-Base (4... ROK General El... General El...
454 
1925 UX216B Half-Wave ... UX-Base (4... ROK Common typ... General El...
455 
1925 VT-107 Beam Power... Octal (Int... Common typ...
456 
1925 VT105_TKD Triode, va... Europe 4-P... TeKaDe (TK...
457 
1925 VT107_TKD Triode, va... Europe 4-P... ROK TeKaDe (TK...
458 
1925 VT110_TKD Triode, va... Europe 4-P... CDN TeKaDe (TK...
459 
1925 W1_Cossor Triode, va... Europe 4-P... Cossor, A.... Cossor, A....
460 
1925 W3_Cossor Triode, va... Europe 4-P... Cossor, A.... Cossor, A....
461 
1925 WR LOCKED OFF... Cossor, A....
462 
1925 WR1 Triode, va... Europe 4-P... Cossor, A.... Cossor, A....
463 
1925 WR2 Triode, va... Europe 4-P... Cossor, A.... Cossor, A....
464 
1925 WX12 Triode, va... UX-Base (4... ROK RCA (RCA V... Westinghou...
465 
1925 ZGII Half-Wave ... Philips; E...
466 
1926 210HL_Cossor Triode, va... Europe 4-P... Cossor, A.... Cossor, A....
467 
1926 214D High-vacuu... Western El...
468 
1926 219D High-vacuu... Large 4 pi... Western El... Western El...
469 
1926 221D Triode, va... UV-Base (4... Western El... RCA (RCA V...
470 
1926 235D Triode, va... UX-Base (4... Western El... RCA (RCA V...
471 
1926 2HF MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
472 
1926 3NF MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt...
473 
1926 401_McCullough Triode, va... UX-Base (4... ROK Common typ... McCullough...
474 
1926 451 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
475 
1926 452 Current Re... Europe 3-P... NL Philips; E... Philips; E...
476 
1926 525B Triode, va... Europe 4-P... Radions Lt...
477 
1926 525D TRIODE (De... Europe 4-P... Radions Lt...
478 
1926 525H TRIODE (De... Europe 4-P... Radions Lt...
479 
1926 6/100Amp Triode, va... Europe 4-P... Métal; Fra...
480 
1926 71 Triode, va... UX-Base (4... ZA Common typ...
481 
1926 71A Triode, va... UX-Base (4... ROK Common typ...
482 
1926 A10 Triode, va... Europe 4-P... D Kremenezky...
483 
1926 A225 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
484 
1926 A2_Radion Triode, va... Europe 4-P... Radions Lt...
485 
1926 A408 Triode, va... Europe 4-P... CDN Valvo GmbH...
486 
1926 A425 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
487 
1926 A609 Triode, va... Europe 4-P... Philips; E... Philips; E...
488 
1926 A_Nelson Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
489 
1926 A_Radion Triode, va... Europe 4-P... Radions Lt...
490 
1926 B203 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
491 
1926 B205 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
492 
1926 B605 Triode, va... UX-Base (4... Philips; E... Philips; E...
493 
1926 B6_Donle Gas Triode UX-Base (4... Donle-Bris... Donle-Bris...
494 
1926 BO Triode, va... EU-Telepho... CDN Siemens (&...
495 
1926 CL152 Triode, va... Europe 4-P... Métal; Fra...
496 
1926 CL202 TRIODE (De... Europe 4-P... CH Métal; Fra...
497 
1926 CL252 TRIODE (De... Europe 4-P... CH Métal; Fra...
498 
1926 CL502 Triode, va... Europe 4-P... Métal; Fra...
499 
1926 CL502A Triode, va... Europe 4-P... Métal; Fra...
500 
1926 DE06HF Triode, va... Europe 4-P... Radions Lt...
501 
1926 DE06_Nelson Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
502 
1926 DE06_Radion Triode, va... Europe 4-P... Radions Lt... Radions Lt...
503 
1926 DE2_Nelson Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
504 
1926 DE34 Triode, va... Europe 4-P... Radions Lt...
505 
1926 DE34HF Triode, va... Europe 4-P... Radions Lt... Radions Lt...
506 
1926 DEA Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
507 
1926 DL2_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
508 
1926 DL4_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
509 
1926 DL5 Triode, va... UX-Base (4... DeForest-T... DeForest-T...
510 
1926 DL7_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
511 
1926 DX502 Triode, va... Europe 4-P... CH Métal; Fra...
512 
1926 D_CeCo Half-Wave ... UV-Base (4... CeCo (tube... CeCo (tube...
513 
1926 Dex312 Triode, va... Europe 4-P... Economic E...
514 
1926 Dex376 Triode, va... Europe 4-P... Economic E...
515 
1926 Dex406 Triode, va... Europe 4-P... Economic E... Economic E...
516 
1926 Dex412 Triode, va... Europe 4-P... Economic E... Economic E...
517 
1926 Dex440 Triode, va... Europe 4-P... Economic E... Economic E...
518 
1926 E_CeCo Triode, va... UX-Base (4... CeCo (tube... General El...
519 
1926 F704 Triode, va... Europe 4-P... NL Philips; E...
520 
1926 F_CeCo Triode, va... UX-Base (4... CeCo (tube... Westinghou...
521 
1926 GP Triode, va... Europe 4-P... Radions Lt... Radions Lt...
522 
1926 G_CeCo Triode, va... UX-Base (4... CeCo (tube... General El...
523 
1926 H406 Triode, va... Europe 4-P... CDN Valvo GmbH...
524 
1926 H406_Neutron Triode, va... Europe 4-P... Neutron Lt...
525 
1926 HR High-vacuu... Wires DeForest-T... DeForest-T...
526 
1926 H_CeCo Gas Triode UX-Base (4... CeCo (tube... General El...
527 
1926 H_DeForest Transmitti... Wires DeForest-T... DeForest-T...
528 
1926 I_Western Transmitti... Wires Western El... Western El...
529 
1926 J71 Triode, va... UX-Base (4... CeCo (tube... General El...
530 
1926 Kenotron-7 Half-Wave ... Europe 4-P... Métal; Fra... Métal; Fra...
531 
1926 Multivalve Triple Tri... SPECIAL TU... Emerson Ra... Cleartron ...
532 
1926 PM2 Triode, va... Europe 4-P... A Mullard Ra...
533 
1926 PO Transmitti... SPECIAL TU... DeForest-T... DeForest-T...
534 
1926 PR High-vacuu... SPECIAL TU... DeForest-T... DeForest-T...
535 
1926 P_deForest LOCKED OFF... DeForest-T...
536 
1926 R42 Triode, va... Europe 4-P... CH Dario (tub...
537 
1926 R85 Triode, va... Europe 4-P... CH Dario (tub...
538 
1926 RE034 Triode, va... Europe 4-P... D Telefunken...
539 
1926 RE054 Triode, va... Europe 4-P... CDN Telefunken...
540 
1926 RE062 Triode, va... Europe 4-P... CDN Telefunken...
541 
1926 RE062t Triode, va... Telefunken... CDN Telefunken...
542 
1926 RE064 Triode, va... Europe 4-P... D Telefunken...
543 
1926 RE064t Triode, va... Telefunken... CDN Telefunken...
544 
1926 RE072d Space Char... Europe 4-P... CDN Telefunken...
545 
1926 RE073d Space Char... Europe 4-P... CDN Telefunken...
546 
1926 RE074 Triode, va... Europe 4-P... CDN Telefunken...
547 
1926 RE134 Triode, va... Europe 4-P... D Telefunken...
548 
1926 RE144 Triode, va... Europe 4-P... CDN Telefunken...
549 
1926 RE144t TRIODE (De... Telefunken... CDN Telefunken...
550 
1926 RE152 Triode, va... Europe 4-P... CDN Telefunken...
551 
1926 RE152t Triode, va... Telefunken... CDN Telefunken...
552 
1926 RE154 Triode, va... Europe 4-P... D Telefunken...
553 
1926 RE154t Triode, va... Telefunken... CDN Telefunken...
554 
1926 RE504 Triode, va... Europe 4-P... CDN Telefunken...
555 
1926 RE504t Triode, va... Telefunken... CDN Telefunken...
556 
1926 REN1104 Triode, va... Europe 5-P... CDN Telefunken...
557 
1926 RGN1503 Full-Wave ... Europe 4-P... D Telefunken...
558 
1926 RS2 Triode, va... Europe 4-P... D Triotron (...
559 
1926 RS4_Triotron Triode, va... Europe 4-P... D Triotron (...
560 
1926 Radion X-ray tube SPECIAL TU... Phönix Rön... Phönix Rön...
561 
1926 SP55/R Triode, va... Europe 4-P... Metropolit... Metropolit...
562 
1926 SS4 TRIODE (De...
563 
1926 SV10 Triode, va... Triotron (...
564 
1926 SV7 Triode, va... Europe 4-P... Triotron (...
565 
1926 SX200A Gas Triode UX-Base (4... Sylvania (... General El...
566 
1926 TMD Triode, va... Europe 4-P... Métal; Fra... Métal; Fra...
567 
1926 TMD_Mazda Triode, va... Europe 4-P... CH Mazda (tub...
568 
1926 TR6E TRIODE (De... Europe 4-P... SER, AB Sv...
569 
1926 TS10 UNKNOWN Triotron (...
570 
1926 UV204A Transmitti... Pin-and-bl... RCA (RCA V... General El...
571 
1926 UV217B Half-Wave ... Jumbo 4-pi... General El... General El...
572 
1926 UX171A Triode, va... UX-Base (4... USA Common typ... General El...
573 
1926 UX200A Gas Triode UX-Base (4... ROK Common typ... General El...
574 
1926 UX225 Triode, va... UX-Base (4... RCA (RCA V... Westinghou...
575 
1926 VIRAA Triode, va... Europe 4-P... Vereenigde... Vereenigde...
576 
1926 VIRAB Triode, va... Europe 4-P... Vereenigde... Vereenigde...
577 
1926 VIRAC Triode, va... Europe 4-P... Vereenigde... Vereenigde...
578 
1926 VIRAD Triode, va... Europe 4-P... Vereenigde... Vereenigde...
579 
1926 WE4 Triode, va... Europe 4-P... D Triotron (...
580 
1927 112A Triode, va... UX-Base (4... ROK Common typ... Westinghou...
581 
1927 1823 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
582 
1927 216A_Nissl Triode, va... UV-Base (4... Czeija, Ni...
583 
1927 22 Screen-gri... UX-Base (4... ROK Common typ... General El...
584 
1927 222 Screen-gri... UX-Base (4... Common typ... General El...
585 
1927 226 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
586 
1927 227 Triode, va... UY-Base, 5... ROK Common typ... General El...
587 
1927 2504 Half-Wave ... Swan-Bajon... NL Philips; E...
588 
1927 26 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
589 
1927 27 Triode, va... UY-Base, 5... ZA Common typ... Westinghou...
590 
1927 280 Full-Wave ... UX-Base (4... ROK Common typ... General El...
591 
1927 2LO Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
592 
1927 3006 Half-Wave ... Europe 3-P... NL Philips; E... Philips; E...
593 
1927 3NFB MULTI-SYST... Loewe Bajo... Loewe-(Opt... Loewe-(Opt...
594 
1927 505 Half-Wave ... Europe 3-P... NL Philips; E...
595 
1927 506 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
596 
1927 506K Full-Wave ... Europe 4-P... Philips; E...
597 
1927 608 Triode, va... UX-Base (4... Marathon (... Marathon (...
598 
1927 608R Triode, va... UX-Base (4... Marathon (... Marathon (...
599 
1927 630_Marathon Triode, va... UX-Base (4... Marathon (... Marathon (...
600 
1927 80 Full-Wave ... UX-Base (4... ROK Common typ... General El...
601 
1927 A11 Triode, va... Europe 4-P... D Kremenezky...
602 
1927 A15 Triode, va... Europe 4-P... Kremenezky...
603 
1927 A235 Screen-gri... UY-Base, 5... CH Visseaux /... RCA (RCA V...
604 
1927 A435 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
605 
1927 A442 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
606 
1927 AC-22 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
607 
1927 AC-26 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
608 
1927 AC-28 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
609 
1927 AC-30 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
610 
1927 AC-31 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
611 
1927 AC-32 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
612 
1927 AC-46 Triode, va... UX-Base (4... Arcturus R...
613 
1927 AY225 Triode, va... RCA (RCA V... Westinghou...
614 
1927 AY227 Triode, va... UY-Base, 5... RCA (RCA V... Westinghou...
615 
1927 B10 Space Char... Europe 4-P... D Kremenezky...
616 
1927 B11_tetrode Space Char... Europe 4-P... D Kremenezky...
617 
1927 B12 Triode, va... Europe 4-P... BTH (B.T.H...
618 
1927 B21_BTH Triode, va... Europe 4-P... BTH (B.T.H...
619 
1927 B22_BTH Triode, va... Europe 4-P... BTH (B.T.H...
620 
1927 B23_BTH Triode, va... Europe 4-P... BTH (B.T.H... BTH (B.T.H...
621 
1927 B424 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
622 
1927 B438 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
623 
1927 B442 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
624 
1927 B443 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
625 
1927 B8_Donle Gas Triode UX-Base (4... Donle-Bris... Donle-Bris...
626 
1927 B9_Kremenezky Space Char... Europe 4-P... Kremenezky...
627 
1927 C142 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
628 
1927 CI Dual-Grid ... French Big... Métal; Fra...
629 
1927 CL504 TRIODE (De... Europe 4-P... CH Métal; Fra... Métal; Fra...
630 
1927 CX112A Triode, va... UX-Base (4... Cunningham... General El...
631 
1927 D-01A Triode, va... UX-Base (4... DeForest-T... General El...
632 
1927 D-G Half-Wave ... UX-Base (4... CeCo (tube...
633 
1927 D143 Vacuum Pen... Europe 4-P... NL Philips; E... Philips; E...
634 
1927 D243 Vacuum Pen... Europe 5-P... NL Philips; E...
635 
1927 D404 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
636 
1927 DES625 LOCKED OFF...
637 
1927 DL14_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
638 
1927 DL15_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
639 
1927 DL3_deForest Triode, va... UX-Base (4... DeForest-T...
640 
1927 DL9_deForest Triode, va... UX-Base (4... DeForest-T...
641 
1927 DM15 Space Char... Europe 4-P... NL Radio-Reco... Radio-Reco...
642 
1927 DM300_old Space Char... Europe 4-P... NL Radio-Reco... Radio-Reco...
643 
1927 DP-10 Gas Triode UX-Base (4... Donle-Bris... Donle-Bris...
644 
1927 DP-11 Gas Triode Donle-Bris...
645 
1927 DR-1V Full-Wave ... UX-Base (4... Donle-Bris... Donle-Bris...
646 
1927 DR_deForest Half-Wave ... UX-Base (4... DeForest-T...
647 
1927 DV26/2 Triode, va... Europe 4-P... Spanner Gm...
648 
1927 DV26/4 Triode, va... Europe 4-P... Spanner Gm...
649 
1927 DV27/2 Triode, va... Europe 4-P... Spanner Gm...
650 
1927 DV27/2H Triode, va... Europe 4-P... Spanner Gm...
651 
1927 DV27/4 Triode, va... Europe 4-P... Spanner Gm...
652 
1927 DV52/2 Triode, va... Europe 4-P... Spanner Gm...
653 
1927 DV52/4 Triode, va... Europe 4-P... Spanner Gm...
654 
1927 DV7 Triode, va... UV-Base (4... DeForest-T... DeForest-T...
655 
1927 F215 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
656 
1927 GT130 Full-Wave ... Europe 4-P... CDN TeKaDe (TK...
657 
1927 GT138 Half-Wave ... Europe 3-P... CDN TeKaDe (TK...
658 
1927 H206 Triode, va... Europe 4-P... CDN Valvo GmbH...
659 
1927 H412 Triode, va... Europe 4-P... D Triotron (...
660 
1927 II Triode, va... Europe 4-P... Nowak & Co...
661 
1927 III Triode, va... Europe 4-P... Nowak & Co...
662 
1927 IIIa Triode, va... Europe 4-P... Nowak & Co...
663 
1927 IIa Triode, va... Europe 4-P... Nowak & Co...
664 
1927 I_Nowak Triode, va... Europe 4-P... Nowak & Co...
665 
1927 Ia Triode, va... Europe 4-P... Nowak & Co...
666 
1927 KH1_MO Triode, va... Europe 4-P... Marconi-Os... Marconi-Os...
667 
1927 K_CeCo Triode, va... UX-Base (4... CeCo (tube... CeCo (tube...
668 
1927 L215 Triode, va... Europe 4-P... CDN Valvo GmbH...
669 
1927 L25 Triode, va... Europe 4-P... Kremenezky...
670 
1927 L410 Triode, va... Europe 4-P... A Valvo GmbH...
671 
1927 L414 Triode, va... Europe 4-P... TW Valvo GmbH...
672 
1927 L415 Triode, va... Europe 4-P... TW Valvo GmbH...
673 
1927 L418 Triode, va... Europe 4-P... D Nowak & Co...
674 
1927 LU406 Triode, va... Europe 4-P... CDN Lorenz; Be...
675 
1927 LW405 Triode, va... Europe 4-P... Lorenz; Be...
676 
1927 M104 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
677 
1927 M144 Triode, va... Europe 4-P... NL Radio-Reco...
678 
1927 M15 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
679 
1927 M300 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
680 
1927 M350 Triode, va... Europe 4-P... NL Radio-Reco...
681 
1927 M72 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
682 
1927 M_Ediswan Triode, va... Europe 4-P... Ediswan, S...
683 
1927 Mikro TRIODE (De... Europe 4-P... CDN Hova-Röhre...
684 
1927 Mikrotron Full-Wave ... Europe 4-P... Valvo GmbH...
685 
1927 N406 Triode, va... Europe 4-P... CDN Valvo GmbH...
686 
1927 NZ420 Double Tri... SPECIAL TU... CDN Valvo GmbH...
687 
1927 PV1_Nowak Triode, va... Europe 4-P... Nowak & Co...
688 
1927 PV2_Nowak Triode, va... Europe 4-P... Nowak & Co...
689 
1927 Polytron-4fach Quad Triode SPECIAL TU... D Spanner Gm... Spanner Gm...
690 
1927 R202 Half-Wave ... Europe 4-P... NL Radio-Reco... Radio-Reco...
691 
1927 R215 TRIODE (De... Europe 4-P... NL VATEA; Bud...
692 
1927 R22 Full-Wave ... Europe 4-P... CDN Rectron Gm... Rectron Gm...
693 
1927 R220 Full-Wave ... Europe 4-P... CDN Rectron Gm...
694 
1927 R33 Full-Wave ... Europe 4-P... CDN Rectron Gm...
695 
1927 R44 Full-Wave ... Europe 4-P... CDN Rectron Gm...
696 
1927 R636 Triode, va... Europe 4-P... Dario (tub...
697 
1927 R643 Dual-Grid ... French Big... Dario (tub...
698 
1927 R655 Triode, va... Europe 4-P... Dario (tub...
699 
1927 R656 Triode, va... Europe 4-P... Dario (tub...
700 
1927 RCA30 LOCKED OFF... RCA (RCA V...
701 
1927 RE052 Triode, va... Europe 4-P... CDN Telefunken...
702 
1927 RE052t Triode, va... Telefunken... CDN Telefunken...
703 
1927 RE084 Triode, va... Europe 4-P... CDN Telefunken...
704 
1927 RE1 Space Char... EU-Telepho... CDN Telefunken...
705 
1927 RE124 Triode, va... Europe 4-P... CDN Telefunken...
706 
1927 RE352 Triode, va... Europe 4-P... CDN Telefunken...
707 
1927 RE354 Triode, va... Europe 4-P... CDN Telefunken...
708 
1927 REN1004 Triode, va... Europe 5-P... CDN Telefunken...
709 
1927 RENS1204 Screen-gri... Europe 5-P... D Telefunken...
710 
1927 RGN1504 Full-Wave ... Europe 4-P... CDN Telefunken...
711 
1927 RO Transmitti... TRANSMITTI... DeForest-T... DeForest-T...
712 
1927 RRR134 Half-Wave ... Europe 3-P... Radio-Reco...
713 
1927 RRR245 Full-Wave ... Europe 4-P... NL Radio-Reco...
714 
1927 RT636 Triode, va... Europe 4-P... Dario (tub...
715 
1927 RT636_6pin Triode, va... Radiotechn... Dario (tub...
716 
1927 RT643 Space Char... French Big... Dario (tub...
717 
1927 RT643_7pin Dual-Grid ... French Big... Dario (tub...
718 
1927 RT655 Triode, va... Europe 4-P... Dario (tub...
719 
1927 RT655_6pin Triode, va... Radiotechn... Dario (tub...
720 
1927 RT656 Triode, va... Europe 4-P... Dario (tub...
721 
1927 RT656_6pin Triode, va... Radiotechn... Dario (tub...
722 
1927 RV218 Triode, va... 4-socket G... CDN Telefunken...
723 
1927 R_deForest LOCKED OFF... DeForest-T...
724 
1927 S625 Screen-gri... SPECIAL TU... A MO Valve C... MO Valve C...
725 
1927 SE Transmitti... Nowak & Co...
726 
1927 ST21 Triode, va... Europe 4-P... ST Valve, ...
727 
1927 ST22 Triode, va... Europe 4-P... ST Valve, ...
728 
1927 ST23 Triode, va... Europe 4-P... ST Valve, ...
729 
1927 ST41 Triode, va... Europe 4-P... ST Valve, ...
730 
1927 ST42 Triode, va... Europe 4-P... ST Valve, ...
731 
1927 ST43 Triode, va... Europe 4-P... ST Valve, ...
732 
1927 ST61A Triode, va... Europe 4-P... ST Valve, ...
733 
1927 ST61B Triode, va... Europe 4-P... ST Valve, ...
734 
1927 ST62 Triode, va... Europe 4-P... ST Valve, ...
735 
1927 ST63 Triode, va... Europe 4-P... ST Valve, ...
736 
1927 T106 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
737 
1927 TP2_Vatea Triode, va... Europe 4-P... VATEA; Bud...
738 
1927 TP3 Triode, va... Europe 4-P... GB VATEA; Bud...
739 
1927 TP3_Vita Triode, va... Europe 4-P... Vita (tube...
740 
1927 TP4_Vatea Triode, va... Europe 4-P...
741 
1927 U208D Space Char... Europe 4-P... CDN Valvo GmbH...
742 
1927 U408D Space Char... Europe 4-P... CDN Valvo GmbH...
743 
1927 U410 Triode, va... Europe 4-P...
744 
1927 UV217 Half-Wave ... Jumbo 4-pi... General El... General El...
745 
1927 UV217C Half-Wave ... Jumbo 4-pi... General El... General El...
746 
1927 UX112A Triode, va... UX-Base (4... Common typ... Westinghou...
747 
1927 UX222 Screen-gri... UX-Base (4... ROK Common typ... General El...
748 
1927 UX226 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
749 
1927 UX240 Triode, va... UX-Base (4... ROK Common typ... General El...
750 
1927 UX280 Full-Wave ... UX-Base (4... ROK RCA (RCA V... Westinghou...
751 
1927 UX281 Half-Wave ... UX-Base (4... ROK Common typ... Westinghou...
752 
1927 UY227 Triode, va... UY-Base, 5... Common typ... Westinghou...
753 
1927 VT-122 Transmitte... CDN Common typ...
754 
1927 VT-124 Vacuum Pen... Octal (Int... ROK Common typ...
755 
1927 VT-132 Triode-Hex... Octal (Int... ROK Common typ...
756 
1927 VT-133 Double Dio... Octal (Int... ROK Common typ...
757 
1927 VT-134 Beam Power... Octal (Int... ROK Common typ...
758 
1927 VT-137 Triode, va... Octal (Int... ROK Common typ...
759 
1927 VT-141 Half-Wave ... CDN Common typ...
760 
1927 VT-142 TRANSMITTI... ROK Common typ...
761 
1927 VT111_TKD TRIODE (De... Europe 4-P... ROK TeKaDe (TK...
762 
1927 VT121_TKD Triode, va... Europe 4-P... ROK TeKaDe (TK...
763 
1927 VT123 Double Tri... CDN Common typ...
764 
1927 VT128_TKD Triode, va... Europe 4-P... TeKaDe (TK...
765 
1927 VT129_TKD TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
766 
1927 VT139_TKD Triple Tri... SPECIAL TU... D TeKaDe (TK...
767 
1927 W206 TRIODE (De... Europe 4-P... CDN Valvo GmbH...
768 
1927 W406 Triode, va... Europe 4-P... NL Valvo GmbH...
769 
1927 W412 TRIODE (De... Europe 4-P... D Triotron (...
770 
1927 WP3 Triode, va... VATEA; Bud...
771 
1927 ZM144 Double Tri... Europe 4-P... NL Radio-Reco... Radio-Reco...
772 
1927 М-400 Transmitti... NL Common typ...
773 
1928 126H Triode, va... Arcturus R... Arcturus R...
774 
1928 1560 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
775 
1928 1561 Full-Wave ... Europe 4-P... NL Philips; E...
776 
1928 1562 Half-Wave ... Europe 4-P... NL Philips; E...
777 
1928 1904 Current Re... Europe 4-P... NL Philips; E...
778 
1928 224S Screen-gri... Rogers-Maj...
779 
1928 227S Triode, va... UY-Base, 5... Rogers-Maj...
780 
1928 2506 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
781 
1928 2G412 Dual-Grid ... Europe 4-P... Lutèce-Lum...
782 
1928 2GS Dual-Grid ... Lutèce-Lum...
783 
1928 2L20 Triode, va... Europe 4-P... CDN TeKaDe (TK...
784 
1928 2NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
785 
1928 2U15 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
786 
1928 4A15_Ultron Dual-Grid ... Europe 5-P... CH Ultron (tu...
787 
1928 4L15 Triode, va... Europe 4-P... CDN TeKaDe (TK...
788 
1928 4N08 Triode, va... Europe 4-P... CDN TeKaDe (TK...
789 
1928 4W08 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
790 
1928 50 Triode, va... UX-Base (4... ROK Common typ... General El...
791 
1928 501_Sovereign Triode, va... Sovereign ...
792 
1928 A1404 Triode, va... Europe 4-P... Cyrnos (br...
793 
1928 A2403 Triode, va... Europe 4-P... Cyrnos (br...
794 
1928 A4100 Triode, va... Europe 5-P... CDN Valvo GmbH...
795 
1928 A411S Triode, va... Europe 4-P...
796 
1928 A414K Triode, va... Europe 4-P... NL Philips; E... Philips; E...
797 
1928 A416 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
798 
1928 AC-40 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
799 
1928 AC/S Vacuum Pen... cosmos-AC-... Metropolit... Metropolit...
800 
1928 AHW/2 Triode, va... Europe 4-P... Amateur-Rö...
801 
1928 AHW/4 Triode, va... Europe 4-P... Amateur-Rö...
802 
1928 AL1203 Triode, va... Cyrnos (br...
803 
1928 ANL/2 Triode, va... Europe 4-P... Amateur-Rö...
804 
1928 ANL/4 Triode, va... Europe 4-P... Amateur-Rö...
805 
1928 B3510 Vacuum Pen... Cyrnos (br...
806 
1928 B443S Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
807 
1928 B5008 Vacuum Pen... Europe 4-P... Cyrnos (br...
808 
1928 B507 Full-Wave ... Europe 4-P... Lutèce-Lum...
809 
1928 B515 Full-Wave ... Europe 4-P... Lutèce-Lum...
810 
1928 B543 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
811 
1928 C-485 Triode, va... UY-Base, 5... Sparton-Ca... Sparton-Ca...
812 
1928 C-686 Triode, va... UY-Base, 5... Sparton-Ca... Sparton-Ca...
813 
1928 C135 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
814 
1928 C443 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
815 
1928 C643 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
816 
1928 DEH410 Triode, va... Europe 4-P... A Marconi-Os...
817 
1928 DEH610 Triode, va... Europe 4-P... Marconi-Os...
818 
1928 DEL210 Triode, va... Europe 4-P... A Marconi-Os...
819 
1928 DEL610 Triode, va... Europe 4-P... Marconi-Os...
820 
1928 DEP215 Triode, va... Europe 4-P... A Marconi-Os...
821 
1928 DEP240 Triode, va... Europe 4-P... Marconi-Os...
822 
1928 DEP410 Triode, va... Europe 4-P... A Marconi-Os...
823 
1928 DEP610 Triode, va... Europe 4-P... Marconi-Os...
824 
1928 DU10 Half-Wave ... Europe 4-P... A Mullard Ra...
825 
1928 DU2 Full-Wave ... Europe 4-P... A Mullard Ra...
826 
1928 E406 Triode, va... Europe 4-P... NL Philips; E...
827 
1928 E406N Triode, va... Europe 4-P... NL Philips; E...
828 
1928 E408 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
829 
1928 E408N Triode, va... Europe 4-P... NL Philips; E... Philips; E...
830 
1928 E409 Triode, va... Europe 5-P... NL Philips; E...
831 
1928 E409N Triode, va... Europe 5-P... NL Philips; E... Philips; E...
832 
1928 E415 Triode, va... Europe 5-P... NL Philips; E... Philips; E...
833 
1928 E422 Triode, va... Europe 4-P... D Triotron (...
834 
1928 E424 Triode, va... Europe 5-P... NL Philips; E...
835 
1928 E430 Triode, va... Europe 5-P... NL Philips; E... Philips; E...
836 
1928 E435_with-cap Triode, va... Europe 5-P... NL Philips; E... Philips; E...
837 
1928 E438 Triode, va... Europe 5-P... NL Philips; E...
838 
1928 E441 Dual-Grid ... Europe 5-P... NL Philips; E...
839 
1928 E442 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
840 
1928 E442S Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
841 
1928 ENDROHR/2 Triode, va... Europe 4-P... Amateur-Rö...
842 
1928 ENDROHR/4 Triode, va... Europe 4-P... Amateur-Rö...
843 
1928 EW120 Current Re... Europe 4-P... CDN Common typ...
844 
1928 G112_Lutece Triode, va... Lutèce-Lum...
845 
1928 G650_Splendor Full-Wave ... Europe 4-P... Splendor L... Splendor L...
846 
1928 H-Point8 Triode, va... Europe 4-P... Marconi's ...
847 
1928 H0.8 Triode, va... Europe 4-P... Marconi-Os...
848 
1928 H125 Triode, va... Europe 4-P... CDN Valvo GmbH...
849 
1928 H125D Screen-gri... Europe 4-P... CDN Valvo GmbH...
850 
1928 H406D Screen-gri... Europe 4-P... CDN Valvo GmbH...
851 
1928 H4100D Screen-gri... Europe 5-P... CDN Valvo GmbH...
852 
1928 H4100spez TRIODE (De... Europe 5-P... CDN Valvo GmbH...
853 
1928 H430 Triode, va... Europe 4-P... Lutèce-Lum...
854 
1928 HF30 MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
855 
1928 HL-Point8 Triode, va... Europe 4-P... Marconi's ...
856 
1928 HL0.8 Triode, va... Europe 4-P... Marconi-Os...
857 
1928 HL210 Triode, va... Europe 4-P... CH Common typ...
858 
1928 HL610 Triode, va... Europe 4-P... CH Osram-Valv... Osram-Valv...
859 
1928 HZ420 Double Tri... SPECIAL TU... CDN Valvo GmbH...
860 
1928 KL1_MO Triode, va... Europe 4-P... Marconi-Os... Marconi-Os...
861 
1928 L160 Triode, va... Europe 4-P... CDN Valvo GmbH...
862 
1928 L160D Vacuum Pen... Europe 4-P... CDN Valvo GmbH...
863 
1928 L413 Triode, va... Europe 4-P... CDN Valvo GmbH...
864 
1928 L415D Vacuum Pen... Europe 4-P... CDN Valvo GmbH...
865 
1928 L4180 Triode, va... Europe 4-P... CDN Valvo GmbH...
866 
1928 LAP513 Vacuum Pen... Europe 5-P... CDN Loewe-(Opt...
867 
1928 LH406 Triode, va... Europe 4-P... Lorenz; Be...
868 
1928 LK4100 Triode, va... Europe 4-P... CDN Valvo GmbH...
869 
1928 LK4130 Triode, va... SPECIAL TU... CDN Valvo GmbH...
870 
1928 LK460 Triode, va... Europe 4-P... CDN Valvo GmbH...
871 
1928 LK8100 Triode, va... Europe 4-P... Valvo GmbH...
872 
1928 LS6A Triode, va... Europe 4-P... MO Valve C... MO Valve C...
873 
1928 Micro-Métal-gr.écran Screen-gri... Europe 4-P... Métal; Fra...
874 
1928 P-Point8 Triode, va... Europe 4-P... Marconi's ...
875 
1928 P403 Triode, va... Europe 4-P... Lutèce-Lum...
876 
1928 P405 Triode, va... Europe 4-P... Lutèce-Lum...
877 
1928 P425 Triode, va... Europe 4-P... D Marconi-Os... Common typ...
878 
1928 P625 Triode, va... Europe 4-P... A MO Valve C... MO Valve C...
879 
1928 P625A Triode, va... Europe 4-P... CH Common typ... Marconi-Os...
880 
1928 PT.8 Vacuum Pen... Europe 4-P... A MO Valve C...
881 
1928 PT235 Vacuum Pen... Europe 5-P... A Marconi-Os...
882 
1928 Ph515A Triode, va... Europe 4-P... Lutèce-Lum...
883 
1928 Ph515B Triode, va... Europe 4-P... Lutèce-Lum...
884 
1928 R110 Full-Wave ...
885 
1928 R250 Full-Wave ... Europe 4-P... CDN Radio-Reco...
886 
1928 R250_Rectron Full-Wave ... Europe 4-P... Rectron Gm...
887 
1928 R45 Full-Wave ... CDN Rectron Gm...
888 
1928 R56 Triode, va... Europe 4-P... CH La Radiote...
889 
1928 R75 Triode, va... Europe 4-P... CH Dario (tub...
890 
1928 R76 Triode, va... Europe 5-P... CH Dario (tub...
891 
1928 R77 Triode, va... Europe 4-P... CH Dario (tub...
892 
1928 R80 Triode, va... Europe 4-P... CDN Dario (tub...
893 
1928 RE074d Space Char... Europe 4-P... CDN Telefunken...
894 
1928 RE114 Triode, va... Europe 4-P... CDN Telefunken...
895 
1928 RE122 Triode, va... Europe 4-P... CDN Telefunken...
896 
1928 RE604 Triode, va... Europe 4-P... CDN Telefunken...
897 
1928 REN2204 Triode, va... Europe 5-P... CDN Telefunken...
898 
1928 REN501 Triode, va... Europe 4-P... CDN Telefunken...
899 
1928 REN511 Triode, va... Europe 4-P... CDN Telefunken...
900 
1928 REN601 Triode, va... Europe 4-P... CDN Telefunken...
901 
1928 REN804 Triode, va... Europe 5-P... Telefunken... Telefunken...
902 
1928 RENZ2104 Double Tri... SPECIAL TU... CDN Telefunken...
903 
1928 RES044 Screen-gri... Europe 4-P... CDN Telefunken...
904 
1928 RES094 Screen-gri... Europe 4-P... CDN Telefunken...
905 
1928 RES164 Vacuum Pen... Europe 5-P... D Telefunken...
906 
1928 RES164d Vacuum Pen... Europe 4-P... D Telefunken...
907 
1928 REZ126 Double Tri... SPECIAL TU... CDN Telefunken...
908 
1928 REZ147 Double Tri... SPECIAL TU... CDN Telefunken...
909 
1928 RGN1203 Half-Wave ... CDN Telefunken...
910 
1928 RGN1304 Half-Wave ... Europe 4-P... D Telefunken...
911 
1928 RGN1500 Full-Wave ... Europe 4-P... CDN Telefunken... Common typ...
912 
1928 RGN2004 Full-Wave ... Europe 4-P... Telefunken...
913 
1928 RO4010 Triode, va... Europe 4-P... CH Visseaux /...
914 
1928 RO4109 Triode, va... Europe 4-P... CH Visseaux /...
915 
1928 RO4215 Triode, va... Europe 4-P... CH Visseaux /...
916 
1928 RO4305 Triode, va... Europe 4-P... CH Visseaux /...
917 
1928 RO4309 Triode, va... Europe 4-P... CH Visseaux /...
918 
1928 RV230 Transmitti... SPECIAL TU... CDN Telefunken...
919 
1928 RV2300 Transmitti... SPECIAL TU... CDN Telefunken...
920 
1928 RV239 Triode, va... 4-socket G... CDN Telefunken...
921 
1928 RV2400 Triode, va... Telefunken...
922 
1928 RV2500 Transmitti... SPECIAL TU... CDN Telefunken...
923 
1928 RV258 Triode, va... 4-socket G... CDN Telefunken...
924 
1928 RV271 Triode, va... 4-socket G... CDN Telefunken...
925 
1928 RV275 Triode, va... Europe 5-P... CDN Telefunken...
926 
1928 RV278 Transmitti... 4-socket G... CDN Telefunken...
927 
1928 S-Point8 Screen-gri... Europe 4-P... Marconi-Os...
928 
1928 S205 Triode, va... Europe 4-P... Lutèce-Lum...
929 
1928 S215 Screen-gri... Europe 4-P... A MO Valve C...
930 
1928 S215_Lutece Triode, va... Europe 5-P... Lutèce-Lum...
931 
1928 S410 Screen-gri... Europe 4-P... TW MO Valve C...
932 
1928 S610 Screen-gri... Europe 4-P... MO Valve C...
933 
1928 SE-3864A Triode, va... UX-Base (4... General El... General El...
934 
1928 TM1003 Triode, va... Europe 4-P... Cyrnos (br...
935 
1928 U409D Space Char... Europe 4-P... CDN Valvo GmbH...
936 
1928 U409D_5pin Space Char... French Big... Valvo GmbH...
937 
1928 U8 Full-Wave ... Europe 4-P... A Osram-Valv... MO Valve C...
938 
1928 U9 High-vacuu... Europe 4-P... A Marconi-Os...
939 
1928 UL208A Triode, va... Europe 4-P... D Radioröhre...
940 
1928 UL209E Triode, va... Europe 4-P... D Radioröhre...
941 
1928 UL407W TRIODE (De... Europe 4-P... D Radioröhre...
942 
1928 UL408H TRIODE (De... Europe 4-P... D Radioröhre...
943 
1928 UL410A Triode, va... Europe 4-P... D Radioröhre...
944 
1928 UL412E Triode, va... Europe 4-P... D Radioröhre...
945 
1928 UL423A Triode, va... Europe 4-P... D Radioröhre...
946 
1928 UL430L Triode, va... Europe 4-P... D Radioröhre...
947 
1928 UX864 Triode, va... UX-Base (4... RCA (RCA V... General El...
948 
1928 VH40 Triode, va... Europe 4-P... Splendor L... Splendor L...
949 
1928 VT143_TKD Double Tri... CDN TeKaDe (TK...
950 
1928 W125 Triode, va... Europe 4-P... CDN Valvo GmbH...
951 
1928 W4100 Triode, va... Europe 5-P... CDN Valvo GmbH...
952 
1928 WE22_Rectron Current Re... Europe 3-P... Rectron Gm...
953 
1928 WE55 Full-Wave ... Europe sid... GB Common typ...
954 
1929 10NG Half-Wave ... Europe 4-P... CDN Loewe-(Opt...
955 
1929 12NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
956 
1929 14NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
957 
1929 1749A Full-Wave ... Philips; E...
958 
1929 1821 Full-Wave ... Europe 4-P... NL Philips; E...
959 
1929 1L60 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
960 
1929 1N51 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
961 
1929 1W50 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
962 
1929 211 Transmitti... Jumbo 4-pi... ROK Common typ... General El...
963 
1929 224 Screen-gri... UY-Base, 5... ROK Common typ... Westinghou...
964 
1929 24 Screen-gri... UY-Base, 5... ROK Common typ...
965 
1929 240NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
966 
1929 24A Screen-gri... UY-Base, 5... ROK Common typ...
967 
1929 2NF MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
968 
1929 3G130 High-vacuu... Europe 4-P... CDN TeKaDe (TK...
969 
1929 3NFW MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt...
970 
1929 45 Triode, va... UX-Base (4... Common typ... Westinghou...
971 
1929 485_Sparton Triode, va... UY-Base, 5... Sparton-Ca... Sparton-Ca...
972 
1929 4A120 Triode, va... Europe 5-P... CDN TeKaDe (TK...
973 
1929 4A80 Triode, va... Europe 5-P... CDN TeKaDe (TK...
974 
1929 4G15 Half-Wave ... Europe 4-P... CDN TeKaDe (TK...
975 
1929 4G30 Full-Wave ... Europe 4-P... CDN TeKaDe (TK...
976 
1929 4H08 Triode, va... Europe 4-P... CDN TeKaDe (TK...
977 
1929 4HA130 TRIODE (De... Europe 5-P... CDN TeKaDe (TK...
978 
1929 4K170 Triode, va... 4-socket G... CDN TeKaDe (TK...
979 
1929 4K30 Triode, va... Europe 4-P... CDN TeKaDe (TK...
980 
1929 4K50 Triode, va... Europe 4-P... CDN TeKaDe (TK...
981 
1929 4L11 Triode, va... Europe 4-P... CDN TeKaDe (TK...
982 
1929 4L12 Triode, va... CDN TeKaDe (TK...
983 
1929 4L13 Triode, va... Europe 4-P... CDN TeKaDe (TK...
984 
1929 4L14 Triode, va... Europe 4-P... CDN TeKaDe (TK...
985 
1929 4L29 Triode, va... Europe 4-P... CDN TeKaDe (TK...
986 
1929 4NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
987 
1929 4U130 Triode, va... CDN TeKaDe (TK...
988 
1929 866 Half-Wave ... UX-Base (4... ROK Common typ... General El...
989 
1929 8NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
990 
1929 A4110 Triode, va... Europe 5-P... D Valvo GmbH...
991 
1929 AC/HL Triode, va... Europe 5-P... Common typ...
992 
1929 A_CRT CRT (catho... Europe 4-P... Ediswan, S... Ediswan, S...
993 
1929 DW1 Dual-Grid ... Europe 5-P... A Métal; Fra...
994 
1929 DW1003 Triode, va... Europe 5-P... Métal; Fra...
995 
1929 DW2 Screen-gri... Europe 5-P... F Mazda = Va... Mazda (tub...
996 
1929 E424N Triode, va... Europe 5-P... NL Philips; E...
997 
1929 E428 Triode, va... Europe 5-P... NL Philips; E... Philips; E...
998 
1929 E443 Vacuum Pen... Europe 5-P... Philips; E... Philips; E...
999 
1929 E462 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
1000 
1929 EG200 High-vacuu... Europe 4-P... CDN Seibt, Dr....
1001 
1929 EW121 Current Re... Europe 4-P... CDN Siemens (&...
1002 
1929 Four-In-One Quad Triode SPECIAL TU... Quadruple ... Quadruple ...
1003 
1929 G3140 High-vacuu... Europe 4-P... NL Philips; E...
1004 
1929 G4200 Full-Wave ... Europe 4-P... CDN Valvo GmbH...
1005 
1929 G490 Full-Wave ... Europe 4-P... CDN Valvo GmbH...
1006 
1929 G495 Half-Wave ... Europe 3-P... CDN Valvo GmbH...
1007 
1929 G715 Half-Wave ... Europe 4-P... CDN Valvo GmbH...
1008 
1929 GL3e Full-Wave ... SPECIAL TU... CDN Siemens (&...
1009 
1929 GL6e Full-Wave ... SPECIAL TU... CDN Siemens (&...
1010 
1929 H210 Triode, va... Europe 4-P... ZA Osram-Valv... Osram-Valv...
1011 
1929 H407spez TRIODE (De... Europe 4-P... CDN Valvo GmbH...
1012 
1929 H4080D Screen-gri... Europe 5-P... CDN Valvo GmbH...
1013 
1929 H410 Triode, va... Europe 4-P... A Marconi-Os...
1014 
1929 HF29_klar MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
1015 
1929 HL410 Triode, va... Europe 4-P... CH Osram-Valv... Osram-Valv...
1016 
1929 I4090 Screen-gri... Europe 5-P... Dario (tub...
1017 
1929 L4100 Triode, va... Europe 5-P... CDN Valvo GmbH...
1018 
1929 L425D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1019 
1929 L490D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1020 
1929 LK430 Triode, va... Europe 4-P... CDN Valvo GmbH...
1021 
1929 MH4 Triode, va... Europe 5-P... A MO Valve C... MO Valve C...
1022 
1929 MHL4 Triode, va... Europe 5-P... A Marconi-Os... Marconi-Os...
1023 
1929 ML4 Triode, va... Europe 5-P... A MO Valve C... MO Valve C...
1024 
1929 MS4 Screen-gri... Europe 4-P... A Marconi-Os...
1025 
1929 Mellodyne Triode, va... Europe 4-P... North Lond... North Lond...
1026 
1929 P220_Lissen Triode, va... Europe 4-P... Lissen Ltd...
1027 
1929 PP430 Vacuum Pen... Europe 5-P... TW Tungsram; ...
1028 
1929 PT225 Vacuum Pen... Europe 5-P... A Lissen Ltd...
1029 
1929 PX4 Triode, va... Europe 4-P... A Marconi-Os... Marconi-Os...
1030 
1929 R1000 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1031 
1929 R500 Full-Wave ... CDN Rectron Gm...
1032 
1929 R89 Vacuum Pen... Europe 5-P... CH Dario (tub...
1033 
1929 RE304 Triode, va... Europe 4-P... CDN Telefunken...
1034 
1929 REN704d Dual-Grid ... Europe 5-P... CDN Telefunken...
1035 
1929 REN904 Triode, va... Europe 5-P... D Telefunken...
1036 
1929 RGN1054 Full-Wave ... Europe 4-P... CDN Telefunken...
1037 
1929 RGN354 Half-Wave ... Europe 3-P... CDN Telefunken...
1038 
1929 RGN504 Full-Wave ... Europe 4-P... CDN Telefunken...
1039 
1929 RH4010 Triode, va... Europe 4-P... Visseaux /...
1040 
1929 RH4041 Space Char... Europe 4-P... CH Visseaux /...
1041 
1929 RH4141 Dual-Grid ... Visseaux /...
1042 
1929 RO4125 Triode, va... Europe 4-P... CH Visseaux /...
1043 
1929 RO4142 Screen-gri... Europe 4-P... CH Visseaux /...
1044 
1929 RO4206 Triode, va... Europe 4-P... CH Visseaux /...
1045 
1929 RO4243 Vacuum Pen... Europe 4-P... CH Visseaux /...
1046 
1929 RS4141 Dual-Grid ... French Big... CH Visseaux /...
1047 
1929 U4100D Dual-Grid ... Europe 5-P... CDN Valvo GmbH...
1048 
1929 UX245 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
1049 
1929 UY224 Screen-gri... UY-Base, 5... ROK Common typ... Westinghou...
1050 
1929 VG220 Full-Wave ... Europe 4-P... CDN Seibt, Dr....
1051 
1929 VG250 Full-Wave ... Europe 4-P... CDN Seibt, Dr....
1052 
1929 VT-4C Transmitti... Jumbo 4-pi... ROK Common typ... General El...
1053 
1929 W4080 Triode, va... Europe 5-P... CDN Valvo GmbH...
1054 
1929 WE45_Rectron Current Re... Europe 3-P... CDN Rectron Gm...
1055 
1930 1407 Triode, va... EU-Telepho... SIF (S.I.F...
1056 
1930 16NG Half-Wave ... Europe 3-P... CDN Loewe-(Opt...
1057 
1930 201 Triode, va... UX-Base (4... ROK Common typ...
1058 
1930 230 Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
1059 
1930 30 Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
1060 
1930 301 Current Re... Edison big... CDN Common typ...
1061 
1930 31 Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
1062 
1930 32 Screen-gri... UX-Base (4... ROK Common typ... RCA (RCA V...
1063 
1930 32E Screen-gri... UX-Base (4... Brimar (ST... RCA (RCA V...
1064 
1930 36 Screen-gri... UY-Base, 5... ROK Common typ... RCA (RCA V...
1065 
1930 38 Vacuum Pen... UY-Base, 5... ROK RCA (RCA V... RCA (RCA V...
1066 
1930 486 Triode, va... UY-Base, 5... ROK Sparton-Ca... Sparton-Ca...
1067 
1930 4A90 Triode, va... Europe 5-P... CDN TeKaDe (TK...
1068 
1930 4K32 Triode, va... Europe 4-P... CDN TeKaDe (TK...
1069 
1930 4K60 Triode, va... Europe 4-P... CDN TeKaDe (TK...
1070 
1930 4N110 Triode, va... Europe 5-P... CDN TeKaDe (TK...
1071 
1930 4S120 Screen-gri... Europe 5-P... CDN TeKaDe (TK...
1072 
1930 4W100 Triode, va... Europe 5-P... CDN TeKaDe (TK...
1073 
1930 88S Vacuum Pen... 6-Pin-Base... Rogers-Maj...
1074 
1930 8K290 Triode, va... CDN TeKaDe (TK...
1075 
1930 8K300 Triode, va... CDN TeKaDe (TK...
1076 
1930 A408s Triode, va...
1077 
1930 AC/Pen Vacuum Pen... British-7-... CH Mazda = Va... Mazda = Va...
1078 
1930 C405 Triode, va... Europe 4-P... NL Philips; E...
1079 
1930 C408 Electromet... Europe 4-P... NL Philips; E...
1080 
1930 C443N Vacuum Pen... Europe 5-P... NL Philips; E...
1081 
1930 DC/HL Triode, va... Europe 5-P... CH Mazda = Va...
1082 
1930 DC/Pen Vacuum Pen... Europe 5-P... CH Mazda = Va...
1083 
1930 DC/SG Screen-gri... Europe 5-P... CH Mazda = Va...
1084 
1930 DW1B_7pin Dual-Grid ... French Big... Métal; Fra...
1085 
1930 E200/300 Screen-gri... Europe 4-P... CH Celsior (t...
1086 
1930 E414_Triotron Triode, va... Europe 4-P... D Triotron (...
1087 
1930 E425_Triotron Triode, va... Europe 4-P... NL Triotron (... Triotron (...
1088 
1930 E443N Vacuum Pen... Europe 5-P... NL Philips; E...
1089 
1930 E463 Vacuum Pen... Europe 6-P... NL Philips; E...
1090 
1930 F443 Vacuum Pen... Europe 5-P... NL Philips; E...
1091 
1930 F5 Triode, va... Europe 4-P... CH Grammont (...
1092 
1930 G2200 Gas Rectif... Europe 4-P... CDN Valvo GmbH...
1093 
1930 G2340 Full-Wave ... Europe 4-P... CDN Valvo GmbH...
1094 
1930 G425 Half-Wave ... Europe 4-P... CDN Valvo GmbH...
1095 
1930 G430 Full-Wave ... Europe 4-P... CDN Valvo GmbH...
1096 
1930 G460 Full-Wave ... Europe 4-P... CDN Valvo GmbH...
1097 
1930 H406Ds Screen-gri... Europe 4-P... Valvo GmbH...
1098 
1930 H410D Screen-gri... Europe 4-P... CDN Valvo GmbH...
1099 
1930 L413S Triode, va... Europe 4-P... Valvo GmbH...
1100 
1930 L416D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1101 
1930 L416Ds Vacuum Pen...
1102 
1930 L491D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1103 
1930 L495D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1104 
1930 L510D Vacuum Pen... Europe 4-P... CDN Valvo GmbH...
1105 
1930 LA203 Triode, va... Europe 5-P... CDN Loewe-(Opt...
1106 
1930 LK4110 Triode, va... Europe 4-P... CDN Valvo GmbH...
1107 
1930 LK4200 Triode, va... Europe 4-P... CDN Valvo GmbH...
1108 
1930 MA125 Gas Triode Arcotron CDN Valvo GmbH...
1109 
1930 ME1520 Triode, va... Europe 4-P... Celsior (t...
1110 
1930 MW125 Triode, va... Arcotron CDN Valvo GmbH...
1111 
1930 NY64 Screen-gri... UY-Base, 5... National U...
1112 
1930 NZ4200 Double Tri... SPECIAL TU... Valvo GmbH...
1113 
1930 PM256A Triode, va... Europe 4-P... Mullard Ra...
1114 
1930 PU10.02 Triode, va... Europe 4-P... Celsior (t...
1115 
1930 PV801 Triode, va... Celsior (t...
1116 
1930 R0337 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1117 
1930 R0423 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1118 
1930 R0424 Half-Wave ... Europe 4-P... CDN Rectron Gm...
1119 
1930 R0431 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1120 
1930 R0437 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1121 
1930 R0446 High-vacuu... Europe 4-P... CDN Rectron Gm...
1122 
1930 R0481 Half-Wave ... Europe 4-P... CDN Rectron Gm...
1123 
1930 R0771 High-vacuu... Europe 4-P... CDN Rectron Gm...
1124 
1930 R1000/III Gas Rectif... CDN Rectron Gm...
1125 
1930 R2000 Half-Wave ... Edison, si... CDN Rectron Gm...
1126 
1930 R3000 Full-Wave ... Edison, si... CDN Rectron Gm...
1127 
1930 R4000 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1128 
1930 RCA230 Triode, va... RCA (RCA V...
1129 
1930 RCA231 LOCKED OFF... RCA (RCA V...
1130 
1930 RCA232 LOCKED OFF... RCA (RCA V...
1131 
1930 RES664d Vacuum Pen... Europe 5-P... CDN Telefunken...
1132 
1930 RGN1404 Half-Wave ... Europe 4-P... CDN Telefunken...
1133 
1930 U10 Full-Wave ... Europe 4-P... A MO Valve C...
1134 
1930 W410 Triode, va... Europe 4-P... CDN Valvo GmbH...
1135 
1931 1802 Half-Wave ... Europe 3-P... NL Philips; E...
1136 
1931 1803 Half-Wave ... Europe 3-P... Philips; E...
1137 
1931 1807 Full-Wave ... Europe 4-P... NL Philips; E...
1138 
1931 33 Vacuum Pen... UY-Base, 5... ROK Common typ...
1139 
1931 35 Screen-gri... UY-Base, 5... ROK Common typ... RCA (RCA V...
1140 
1931 3NFK MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
1141 
1931 47 Vacuum Pen... UY-Base, 5... ROK Common typ...
1142 
1931 47E Vacuum Pen... UY-Base, 5... National U...
1143 
1931 51 Screen-gri... UY-Base, 5... ROK Common typ...
1144 
1931 55 Double Dio... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1145 
1931 551 Screen-gri... UY-Base, 5... MEX Common typ...
1146 
1931 57 Vacuum Pen... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1147 
1931 58 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1148 
1931 A2118 Triode, va... Europe 5-P... CDN Valvo GmbH...
1149 
1931 B2043 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
1150 
1931 B2045 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
1151 
1931 B217 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
1152 
1931 B228 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
1153 
1931 B252 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
1154 
1931 C243N Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
1155 
1931 DH Triode, va... Europe 5-P... A Marconi-Os... Marconi-Os...
1156 
1931 DL Triode, va... Europe 5-P... A Marconi-Os... Marconi-Os...
1157 
1931 DPT Vacuum Pen... British-7-... A MO Valve C... MO Valve C...
1158 
1931 DPT_5pin Vacuum Pen... Europe 5-P... MO Valve C... MO Valve C...
1159 
1931 DS Screen-gri... Europe 5-P... A MO Valve C...
1160 
1931 E43 Vacuum Pen... Europe 4-P... D Kremenezky...
1161 
1931 E441N Dual-Grid ... Europe 5-P... NL Philips; E...
1162 
1931 E445 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
1163 
1931 E452 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
1164 
1931 E452T Screen-gri... Europe 5-P... Philips; E... Philips; E...
1165 
1931 H2018D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1166 
1931 L2218 Triode, va... Europe 5-P... CDN Valvo GmbH...
1167 
1931 L2318D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1168 
1931 L427D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1169 
1931 NC4a Screen-gri... Europe 5-P... D Sator (bra...
1170 
1931 NY-68 Vacuum Pen... UY-Base, 5... National U...
1171 
1931 NY65 Vacuum Pen... UY-Base, 5... National U...
1172 
1931 NY67 Triode, va... UY-Base, 5... National U...
1173 
1931 REN1821 Triode, va... Europe 5-P... CDN Telefunken...
1174 
1931 REN1822 Triode, va... Europe 5-P... CDN Telefunken...
1175 
1931 RENS1214 Screen-gri... Europe 5-P... CDN Telefunken...
1176 
1931 RENS1264 Screen-gri... Europe 5-P... CDN Telefunken...
1177 
1931 RENS1820 Vacuum Pen... Europe 5-P... CDN Telefunken...
1178 
1931 RENS1823d Vacuum Pen... Europe 5-P... CDN Telefunken...
1179 
1931 RES174 Vacuum Pen... Europe 5-P... Telefunken...
1180 
1931 RES174d Vacuum Pen... Europe 4-P... CDN Telefunken...
1181 
1931 RES364 Vacuum Pen... Europe 5-P... CDN Telefunken...
1182 
1931 RES374 Vacuum Pen... Europe 5-P... CDN Telefunken...
1183 
1931 RGN2005 Full-Wave ... Europe 4-P... CDN Telefunken...
1184 
1931 RGN2504 Full-Wave ... Europe 4-P... CDN Telefunken...
1185 
1931 RGN4004 Full-Wave ... Europe 4-P... CDN Telefunken...
1186 
1931 T9_Cineglow Radiation ... UX-Base (4... Blue Seal ... Blue Seal ...
1187 
1931 UY235 Screen-gri... UY-Base, 5... ROK Common typ... RCA (RCA V...
1188 
1931 UY38A Vacuum Pen... UY-Base, 5... Tokyo Elec... Tokyo Elec...
1189 
1931 UZ-55 Double Dio... 6-Pin-Base...
1190 
1931 UZ133D Triode-Pen... 6-Pin-Base... Common typ... RCA (RCA V...
1191 
1932 15 Vacuum Pen... UY-Base, 5... ROK Common typ... Sylvania (...
1192 
1932 1615 Vacuum Pen... 6-Pin-Base... Common typ...
1193 
1932 1805 Full-Wave ... Europe 4-P... NL Philips; E...
1194 
1932 295 MULTI-SYST... UY-Base, 5... ROK Speed, Cab... Speed, Cab...
1195 
1932 2A5 Vacuum Pen... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1196 
1932 2HMD Double Tet... Europe 5-P... CDN Loewe-(Opt...
1197 
1932 39 Vacuum Pen... UY-Base, 5... ROK RCA (RCA V... RCA (RCA V...
1198 
1932 41 Vacuum Pen... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1199 
1932 42 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1200 
1932 43 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1201 
1932 46 Double Gri... UY-Base, 5... ROK Common typ... RCA (RCA V...
1202 
1932 48 Screen-gri... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1203 
1932 49 Double Gri... UY-Base, 5... ROK Common typ...
1204 
1932 52 Double Gri... UY-Base, 5... ROK Common typ...
1205 
1932 56 Triode, va... UY-Base, 5... ROK Common typ...
1206 
1932 688 Photocell ... UX-Base (4... Cunningham...
1207 
1932 B242 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
1208 
1932 B255 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
1209 
1932 B262 Screen-gri... Europe 4-P... Philips; E... Philips; E...
1210 
1932 C453 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
1211 
1932 C509A Triode, va... UX-Base (4... Philips; E... General El...
1212 
1932 DSB Screen-gri... Europe 5-P... A MO Valve C...
1213 
1932 DW7 Screen-gri... Europe 5-P... A Mazda (tub...
1214 
1932 E451 Double Gri... Europe 5-P... NL Philips; E...
1215 
1932 E453 Vacuum Pen... Europe 5-P... NL Philips; E...
1216 
1932 E453_B5+1 Vacuum Pen... Europe B5+... Philips; E...
1217 
1932 E455 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
1218 
1932 E499 Triode, va... Europe 5-P... NL Philips; E...
1219 
1932 E707 Triode, va... NL Philips; E...
1220 
1932 EG100 Half-Wave ... Europe 5-P... D Ostar (Gus... Ostar (Gus...
1221 
1932 EG50 Half-Wave ... Europe 5-P... D Ostar (Gus... Ostar (Gus...
1222 
1932 ER-LA Vacuum Pen... UY-Base, 5... Raytheon M...
1223 
1932 F410 Triode, va... Europe 4-P... NL Philips; E...
1224 
1932 GL4/1D Full-Wave ... Europe 4-P... Sator (bra...
1225 
1932 H1818D Screen-gri... Europe 5-P... CDN Valvo GmbH...
1226 
1932 H1918D Screen-gri... Europe 5-P... CDN Valvo GmbH...
1227 
1932 H4111D Screen-gri... Europe 5-P... CDN Valvo GmbH...
1228 
1932 H4125D Screen-gri... Europe 5-P... CDN Valvo GmbH...
1229 
1932 HLA1 Triode, va... Europe 5-P... Standard T...
1230 
1932 L4150D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1231 
1932 LK7110 Triode, va... 4-socket G... CDN Valvo GmbH...
1232 
1932 LK7115 Triode, va... 4-socket G... CDN Valvo GmbH...
1233 
1932 NSS4 Screen-gri... Europe 5-P... Sator (bra...
1234 
1932 NVS4 Screen-gri... Europe 5-P... D Sator (bra...
1235 
1932 PT41 Vacuum Pen... Europe 5-P... A Cossor, A....
1236 
1932 PT41B Vacuum Pen... Europe 5-P... A Cossor, A....
1237 
1932 R1 Full-Wave ... Europe 4-P... ROK Brimar (ST... Standard T...
1238 
1932 REN1817d Dual-Grid ... Europe 5-P... CDN Telefunken...
1239 
1932 RENS1274 Screen-gri... Europe 5-P... CDN Telefunken...
1240 
1932 RENS1284 Vacuum Pen... Europe 5-P... CDN Telefunken...
1241 
1932 RENS1374d Vacuum Pen... Europe 5-P... CDN Telefunken...
1242 
1932 RENS1818 Screen-gri... Europe 5-P... CDN Telefunken...
1243 
1932 RENS1819 Screen-gri... Europe 5-P... CDN Telefunken...
1244 
1932 RENS351 Screen-gri... UY-Base, 5... Telefunken... RCA (RCA V...
1245 
1932 RGN1064 Full-Wave ... Europe 4-P... CDN Telefunken...
1246 
1932 RGN564 Half-Wave ... Europe 3-P... CDN Telefunken...
1247 
1932 U1718D Dual-Grid ... Europe 5-P... CDN Valvo GmbH...
1248 
1932 UZ-58A Vacuum Pen... 6-Pin-Base... Common typ...
1249 
1932 UZ58A Vacuum Pen... 6-Pin-Base... Common typ... RCA (RCA V...
1250 
1932 VDS Screen-gri... Europe 5-P... A Marconi-Os...
1251 
1932 Wunderlich Wunderlich... 6-Pin-Base... Arcturus R... Arcturus R...
1252 
1932 WunderlichA Wunderlich... 6-Pin-Base... ROK Arcturus R...
1253 
1932 WunderlichA-Auto Wunderlich... 6-Pin-Base... Arcturus R... Arcturus R...
1254 
1932 WunderlichB Wunderlich... 6-Pin-Base... ROK Arcturus R... Arcturus R...
1255 
1933 1815 Full-Wave ... Europe 4-P... NL Philips; E...
1256 
1933 1832 Half-Wave ... Europe 4-P... NL Philips; E...
1257 
1933 1861 Full-Wave ... Europe 4-P... NL Philips; E...
1258 
1933 1867 Full-Wave ... Europe 4-P... NL Philips; E...
1259 
1933 19 Double Tri... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1260 
1933 24NG High-vacuu... Europe 6-P... CDN Loewe-(Opt...
1261 
1933 25Z5 Full-Wave ... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1262 
1933 2A3 Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
1263 
1933 2A6 Double Dio... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1264 
1933 2A7 Pentagrid-... 7-Pin-Base... ROK Common typ...
1265 
1933 2B6 MULTI-SYST... 7-Pin-Base... USA Arcturus R... Arcturus R...
1266 
1933 3NFL MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
1267 
1933 53 Double Tri... 7-Pin-Base... ROK Common typ...
1268 
1933 6A7 Pentagrid-... 7-Pin-Base... ROK Common typ...
1269 
1933 6B7 Double Dio... 7-Pin-Base... ROK Common typ...
1270 
1933 6C6 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1271 
1933 6D6 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1272 
1933 6D7 Vacuum Pen... 7-Pin-Base... ROK Majestic t...
1273 
1933 75 Double Dio... 6-Pin-Base... ROK Common typ...
1274 
1933 76 Triode, va... UY-Base, 5... ZA Common typ...
1275 
1933 77 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1276 
1933 78 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1277 
1933 79 Double Tri... 6-Pin-Base... ROK Common typ...
1278 
1933 866A Half-Wave ... UX-Base (4... ROK General El... General El...
1279 
1933 958 Triode, va... Acorn 5 pi... ZA Common typ... RCA (RCA V...
1280 
1933 AB1 Double Diode Europe 5-P... EU Common typ... Philips; E...
1281 
1933 ACH1 Triode-Hex... Europe 7-P... D Common typ... Telefunken...
1282 
1933 AF2 Vacuum Pen... Europe 5-P... NL Philips; E...
1283 
1933 AN2127 Diode-Tetr... Europe 6-P... CDN Valvo GmbH...
1284 
1933 AN2718 Diode-Triode Europe 5-P... CDN Valvo GmbH...
1285 
1933 AN4092 Diode-Triode Europe 5-P... CDN Valvo GmbH...
1286 
1933 AN4126 Diode-Tetr... Europe 6-P... CDN Valvo GmbH...
1287 
1933 BL2 Vacuum Pen... Europe 5-P... EU Common typ...
1288 
1933 DHD Double Dio... British-7-... A MO Valve C...
1289 
1933 DP/Pen Vacuum Pen... British-7-... A Cossor, A....
1290 
1933 E443H Vacuum Pen... Europe 5-P... NL Philips; E...
1291 
1933 E444 Diode-Tetr... Europe 6-P... NL Philips; E...
1292 
1933 E444S Diode-Triode Europe 5-P... NL Philips; E...
1293 
1933 E447 Vacuum Pen... Europe 5-P... NL Philips; E...
1294 
1933 E448 HEXODE Europe 7-P... NL Philips; E... Telefunken...
1295 
1933 E449 HEXODE Europe 7-P... NL Philips; E... Telefunken...
1296 
1933 F443N Vacuum Pen... Europe 5-P... NL Philips; E...
1297 
1933 H2618D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1298 
1933 H4115D Screen-gri... Europe 5-P... CDN Valvo GmbH...
1299 
1933 H4128D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1300 
1933 H4129D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1301 
1933 L496D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1302 
1933 MO44 Double Tet... Europe 7-P... CDN Loewe-(Opt...
1303 
1933 MS4B_Catkin Screen-gri... Europe 5-P... A Marconi-Os...
1304 
1933 REN1814 Triode, va... Europe 5-P... CDN Telefunken...
1305 
1933 REN1826 Diode-Triode Europe 5-P... CDN Telefunken...
1306 
1933 REN914 Triode, va... Europe 5-P... CDN Telefunken...
1307 
1933 REN924 Diode-Triode Europe 5-P... CDN Telefunken...
1308 
1933 RENS1224 HEXODE Europe 7-P... CDN Telefunken... Telefunken...
1309 
1933 RENS1234 HEXODE Europe 7-P... CDN Telefunken... Telefunken...
1310 
1933 RENS1254 Diode-Tetr... Europe 6-P... CDN Telefunken...
1311 
1933 RENS1294 Vacuum Pen... Europe 5-P... CDN Telefunken...
1312 
1933 RENS1824 HEXODE Europe 7-P... CDN Telefunken...
1313 
1933 RENS1834 HEXODE Europe 7-P... CDN Telefunken... Telefunken...
1314 
1933 RENS1884 Vacuum Pen... Europe 5-P... CDN Telefunken...
1315 
1933 RENS1894 Vacuum Pen... Europe 5-P... CDN Telefunken...
1316 
1933 RES964 Vacuum Pen... Europe 5-P... CDN Telefunken...
1317 
1933 RG250/3000 Half-Wave ... UX-Base (4... TW Tungsram; ...
1318 
1933 SG2_362 Screen-gri... Europe 4-P... 362 Valve ...
1319 
1933 VDSB Screen-gri... Europe 5-P... A Marconi-Os...
1320 
1933 VMS4_Catkin Screen-gri... Europe 5-P... A Marconi-Os...
1321 
1933 VS2_362 Screen-gri... Europe 4-P... 362 Valve ...
1322 
1933 W2418 Triode, va... Europe 5-P... CDN Valvo GmbH...
1323 
1933 W4110 Triode, va... Europe 5-P... CDN Valvo GmbH...
1324 
1933 WG33 MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt...
1325 
1933 X2818 HEXODE Europe 7-P... CDN Valvo GmbH...
1326 
1933 X2918 HEXODE Europe 7-P... CDN Valvo GmbH...
1327 
1933 X4122 HEXODE Europe 7-P... CDN Valvo GmbH...
1328 
1933 X4123 HEXODE Europe 7-P... CDN Valvo GmbH...
1329 
1934 150T Transmitti... Jumbo 4-pi... ROK Eimac (bra... Eimac (bra...
1330 
1934 26NG High-vacuu... Europe 6-P... CDN Loewe-(Opt...
1331 
1934 368A Transmitti... TRANSMITTI... Western El...
1332 
1934 955 Triode, va... Acorn 5 pi... ROK Common typ... RCA (RCA V...
1333 
1934 AB2 Double Diode Europe sid... EU Common typ...
1334 
1934 ABC1 Double Dio... Europe sid... EU Common typ...
1335 
1934 AC/TP Triode-Pen... B9 British... Mazda = Va... Mazda = Va...
1336 
1934 AC2 Triode, va... Europe sid... EU Common typ...
1337 
1934 AF3 Vacuum Pen... Europe sid... EU Common typ...
1338 
1934 AF7 Vacuum Pen... Europe sid... EU Common typ...
1339 
1934 AH1 HEXODE Europe sid... EU Common typ...
1340 
1934 AK1 OCTODE Europe 7-P... D Common typ... Philips; E...
1341 
1934 AX1 Half-Wave ... Europe 4-P... NL Philips; E...
1342 
1934 B240 Double Tri... Europe 7-P... NL Philips; E... Philips; E...
1343 
1934 BB1 Double Diode Europe 5-P... D Telefunken...
1344 
1934 BCH1 Triode-Hex... Europe 7-P... EU Common typ... Telefunken...
1345 
1934 BK1 OCTODE Europe 7-P... Telefunken... Philips; E...
1346 
1934 C1 Current Re... Europe sid... NL Philips; E...
1347 
1934 C2 Current Re... Europe sid... NL Philips; E...
1348 
1934 C243 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
1349 
1934 C3 Current Re... Europe sid... EU Philips; E...
1350 
1934 C4 Current Re... Europe sid... NL Philips; E... Philips; E...
1351 
1934 CB1 Double Diode Europe sid... EU Common typ... Philips; E...
1352 
1934 CF1 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1353 
1934 CF2 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1354 
1934 CK1 OCTODE Europe sid... EU Common typ... Philips; E...
1355 
1934 CL1 Vacuum Pen... Europe sid... EU Common typ... Philips; E...
1356 
1934 CL2 Vacuum Pen... Europe sid... EU Common typ...
1357 
1934 CY1 Half-Wave ... Europe sid... EU Common typ...
1358 
1934 CY2 High-vacuu... Europe sid... EU Common typ...
1359 
1934 D418 Signal Dio... Europe 3-P... TW Tungsram; ... Tungsram; ...
1360 
1934 EB1 Double Diode Europe sid... NL Philips; E...
1361 
1934 EF1 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1362 
1934 EF2 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1363 
1934 EK1 OCTODE Europe sid... NL Philips; E... Philips; E...
1364 
1934 EL1 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
1365 
1934 EUVb Current Re... Osram GmbH...
1366 
1934 EZ1 Full-Wave ... Europe sid... EU Common typ... Philips; E...
1367 
1934 FZ1 Full-Wave ... Europe sid... EU Common typ... Philips; E...
1368 
1934 HP1018 Vacuum Pen... Europe 7-P... TW Tungsram; ...
1369 
1934 HP1118 Vacuum Pen... Europe 7-P... TW Tungsram; ...
1370 
1934 KBC1 Double Dio... Europe sid... EU Common typ...
1371 
1934 KC1_4pin Triode, va... Europe 4-P... EU Common typ... Telefunken...
1372 
1934 KF2 Vacuum Pen... Europe 7-P... ZA Common typ...
1373 
1934 KL1_5pin Vacuum Pen... Europe 5-P... EU Common typ... Telefunken...
1374 
1934 MH1118 Pentagrid-... Europe 7-P... TW Tungsram; ...
1375 
1934 N30 Screen-gri... British-7-... MO Valve C... Marconi-Os...
1376 
1934 PV3018 High-vacuu... Europe 6-P... TW Tungsram; ...
1377 
1934 QP240 Double Pen... B9 British... ZA Common typ...
1378 
1934 R3 Full-Wave ... Europe 4-P... ZA Brimar (ST... Standard T...
1379 
1934 TCL2 Vacuum Pen... Europe sid... Tungsram; ...
1380 
1934 TCY2 High-vacuu... Europe sid... Tungsram; ...
1381 
1934 TKL1_5pin Vacuum Pen... Europe 5-P... Tungsram; ... Telefunken...
1382 
1934 UF1 Vacuum Pen... Europe sid... F Dario (tub... Dario (tub...
1383 
1934 UF2 Vacuum Pen... Europe sid... F Dario (tub... Dario (tub...
1384 
1934 VG-1 Glow Indic... UX-Base (4... USA Sparton-Ca... Sparton-Ca...
1385 
1934 VMP4K Vacuum Pen... Europe 5-P... A Marconi-Os...
1386 
1934 VP2_362 Vacuum Pen... British-7-... 362 Valve ...
1387 
1934 W30 Vacuum Pen... British-7-... A MO Valve C... MO Valve C...
1388 
1934 WG34 MULTI-SYST... Loewe 12 pin CDN Loewe-(Opt... Loewe-(Opt...
1389 
1934 WG35 Diode-Tetr... Loewe 12 pin CDN Loewe-(Opt... Loewe-(Opt...
1390 
1934 WG36 MULTI-SYST... Loewe 12 pin CDN Loewe-(Opt... Loewe-(Opt...
1391 
1934 WG37 MULTI-SYST... Loewe 12 pin CDN Loewe-(Opt... Loewe-(Opt...
1392 
1935 13D1 Double Diode Europe sid... CDN Loewe-(Opt...
1393 
1935 13D2 Double Diode Europe sid... CDN Loewe-(Opt...
1394 
1935 13H1 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
1395 
1935 13H2 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
1396 
1935 13H3 HEXODE Europe sid... CDN Loewe-(Opt...
1397 
1935 13V1 Double Dio... Europe sid... CDN Loewe-(Opt...
1398 
1935 1875 Half-Wave ... Europe sid... NL Philips; E...
1399 
1935 1876 Half-Wave ... Europe sid... NL Philips; E...
1400 
1935 1877 Half-Wave ... Europe 4-P... NL Philips; E...
1401 
1935 1878 Half-Wave ... Edison big... NL Common typ...
1402 
1935 220VSG Screen-gri... Europe 4-P... A Cossor, A....
1403 
1935 24M2 Triode-Hex... Europe 7-P... CDN Loewe-(Opt...
1404 
1935 25A6 Vacuum Pen... Octal (Int... ROK Common typ...
1405 
1935 25Z5MG High-vacuu... Octal (Int... ROK Common typ... Triad Tele...
1406 
1935 30NG High-vacuu... Europe sid... CDN Loewe-(Opt...
1407 
1935 35/51 Screen-gri... UY-Base, 5... Common typ...
1408 
1935 4D1_Brimar Triode, va... British-7-... Standard T...
1409 
1935 50T Transmitti... UX-Base (4... ROK Common typ... Eimac (bra...
1410 
1935 5Y3 Full-Wave ... Octal (Int... ROK Common typ...
1411 
1935 5Z4 Full-Wave ... Octal (Int... ROK Common typ... RCA (RCA V...
1412 
1935 5Z4G Full-Wave ... Octal (Int... ROK Common typ... Arcturus R...
1413 
1935 6A8 Pentagrid-... Octal (Int... ROK Common typ...
1414 
1935 6B5 MULTI-SYST... 6-Pin-Base... ROK Common typ... Triad Tele...
1415 
1935 6C5 Triode, va... Octal (Int... ROK Common typ...
1416 
1935 6E5 Mag. Eye, ... 6-Pin-Base... ROK Common typ...
1417 
1935 6F5 Triode, va... Octal (Int... ROK Common typ...
1418 
1935 6F6 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1419 
1935 6G5 Mag. Eye, ... 6-Pin-Base... ROK Common typ...
1420 
1935 6H6 Double Diode Octal (Int... ROK Common typ... RCA (RCA V...
1421 
1935 6J7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1422 
1935 6K7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1423 
1935 6K7G Vacuum Pen... Octal (Int... ROK Common typ... Arcturus R...
1424 
1935 6K7MG Vacuum Pen... Octal (Int... ROK Common typ... Triad Tele...
1425 
1935 6L7 HEPTODE Octal (Int... ROK Common typ...
1426 
1935 6Q7 Double Dio... Octal (Int... ROK Common typ... RCA (RCA V...
1427 
1935 954 Vacuum Pen... Acorn 7 pi... ZA Common typ...
1428 
1935 A11B Half-Wave ... Europe 4-P... A Ever Ready...
1429 
1935 AC100 Triode, va... EU-Telepho... D Telefunken...
1430 
1935 AC102 Triode, va... EU-Telepho... Siemens-Au...
1431 
1935 AD1 Triode, va... Europe sid... EU Common typ...
1432 
1935 AK2 OCTODE Europe sid... EU Common typ...
1433 
1935 AL1 Vacuum Pen... Europe sid... EU Common typ...
1434 
1935 AL2 Vacuum Pen... Europe sid... NL Philips; E...
1435 
1935 AL3 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1436 
1935 APV4200 High-vacuu... Europe 4-P... TW Tungsram; ...
1437 
1935 AZ1 Full-Wave ... Europe sid... EU Common typ...
1438 
1935 C6 Current Re... Europe sid... NL Philips; E... Philips; E...
1439 
1935 C7 Current Re... Europe sid... NL Philips; E... Philips; E...
1440 
1935 CB2 Double Diode Europe sid... EU Common typ...
1441 
1935 CBC1 Double Dio... Europe sid... EU Common typ...
1442 
1935 CC2 Triode, va... Europe sid... EU Common typ...
1443 
1935 CF3 Vacuum Pen... Europe sid... EU Common typ...
1444 
1935 CF7 Vacuum Pen... Europe sid... EU Common typ...
1445 
1935 CH1 HEXODE Europe sid... EU Common typ...
1446 
1935 CW10_MOV CW-magnetron Europe 4-P... MO Valve C... MO Valve C...
1447 
1935 D41 Double Diode Europe 5-P... A MO Valve C... MO Valve C...
1448 
1935 DU4 Half-Wave ... Europe 3-P... A Mullard Ra...
1449 
1935 EC1 Triode, va... Europe sid... Philips; E... Philips; E...
1450 
1935 EC10/A Oscillosco...
1451 
1935 EC2 Triode, va... Europe sid... EU Common typ...
1452 
1935 EH1 HEXODE Europe sid... EU Common typ... Philips; E...
1453 
1935 HE/AC1 Thyratron Europe 5-P... Ediswan, S...
1454 
1935 KB1 Double Diode Europe sid... EU Common typ...
1455 
1935 KF7 Vacuum Pen... Europe sid... EU Common typ...
1456 
1935 KF8 Vacuum Pen... Europe sid... EU Common typ...
1457 
1935 KK2 OCTODE Europe sid... EU Common typ...
1458 
1935 KL2 Vacuum Pen... Europe sid... EU Common typ...
1459 
1935 NH1 HEXODE SPECIAL TU... Telefunken... Telefunken...
1460 
1935 OSW3118 Full-Wave ... Europe sid... Werk für F...
1461 
1935 OSW3119 Vacuum Pen... Europe sid... Werk für F...
1462 
1935 TAB2 Double Diode Europe sid... Tungsram; ...
1463 
1935 TABC1 Double Dio... Europe sid... Tungsram; ...
1464 
1935 TAF3 Vacuum Pen... Europe sid... Tungsram; ...
1465 
1935 TAF7 Vacuum Pen... Europe sid... Tungsram; ...
1466 
1935 TAH1 HEXODE Europe sid... Tungsram; ...
1467 
1935 TAL1 Vacuum Pen... Europe sid... Tungsram; ...
1468 
1935 TAL2 Vacuum Pen... Europe sid... Tungsram; ... Philips; E...
1469 
1935 TAZ1 Full-Wave ... Europe sid... Tungsram; ...
1470 
1935 TBC1 Double Dio... Europe sid... Dario (tub...
1471 
1935 TCB2 Double Diode Europe sid... Tungsram; ...
1472 
1935 TCC2 Triode, va... Europe sid... Tungsram; ...
1473 
1935 TCF7 Vacuum Pen... Europe sid... Tungsram; ...
1474 
1935 TCH1_Tungsram HEXODE Europe sid... Tungsram; ...
1475 
1935 U4020 Half-Wave ... Europe 5-P... A Mazda = Va...
1476 
1935 VC1 Triode, va... Europe sid... EU Common typ... Telefunken...
1477 
1935 VHT2 Pentagrid-... British-7-... A Ferranti, GB Ferranti, GB
1478 
1935 VHT4 Pentagrid-... British-7-... A Ferranti, GB
1479 
1935 VL1 Vacuum Pen... Europe sid... EU Common typ... Telefunken...
1480 
1935 VP2C Vacuum Pen... British-7-... A 362 Valve ...
1481 
1935 VY1 Half-Wave ... Europe sid... EU Common typ... Telefunken...
1482 
1935 WE22 Triode-Hex... Europe 7-P... HK Telefunken...
1483 
1935 WG41 HEXODE Europe sid... CDN Loewe-(Opt... Loewe-(Opt...
1484 
1936 0Z4 Full-Wave ... Octal (Int... ROK Common typ... Raytheon M...
1485 
1936 140NG Full-Wave ... Europe sid... CDN Loewe-(Opt...
1486 
1936 25L6 Beam Power... Octal (Int... ROK Common typ...
1487 
1936 25Z6 High-vacuu... Octal (Int... ROK Common typ...
1488 
1936 4673 Vacuum Pen... Europe sid... NL Philips; E...
1489 
1936 4H1 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
1490 
1936 4H2 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
1491 
1936 4H3 HEXODE Europe sid... CDN Loewe-(Opt...
1492 
1936 4M2 Triode-Hex... Europe 7-P... CDN Loewe-(Opt...
1493 
1936 4V1 Triode, va... Europe sid... D Loewe-(Opt...
1494 
1936 5U4G Full-Wave ... Octal (Int... ROK Common typ...
1495 
1936 5W4 Full-Wave ... Octal (Int... ROK Common typ...
1496 
1936 5X4G Full-Wave ... Octal (Int... ROK Common typ...
1497 
1936 5Y3G Full-Wave ... Octal (Int... ROK Common typ...
1498 
1936 6A8G Pentagrid-... Octal (Int... ROK Common typ...
1499 
1936 6B8 Double Dio... Octal (Int... ROK Common typ... Ken-Rad, T...
1500 
1936 6K6G Vacuum Pen... Octal (Int... ROK Common typ...
1501 
1936 6L6 Beam Power... Octal (Int... ROK Common typ...
1502 
1936 6L6G Beam Power... Octal (Int... ROK Common typ... RCA (RCA V...
1503 
1936 6Q7G Double Dio... Octal (Int... ROK Common typ...
1504 
1936 6R7 Double Dio... Octal (Int... CH Common typ...
1505 
1936 6R7G Double Dio... Octal (Int... ROK Common typ...
1506 
1936 6V6G Beam Power... Octal (Int... ROK Common typ...
1507 
1936 6X5 Full-Wave ... Octal (Int... ROK Common typ...
1508 
1936 956 Vacuum Pen... Acorn 7 pi... ZA Common typ... RCA (RCA V...
1509 
1936 9MH Television... Europe 7-P... Ediswan, S...
1510 
1936 A-103A CW-magnetron UX-Base (4... RCA (RCA V... RCA (RCA V...
1511 
1936 AL4 Vacuum Pen... Europe sid... EU Common typ...
1512 
1936 AL4/375 Vacuum Pen... Europe sid... Common typ...
1513 
1936 AL5 Vacuum Pen... Europe sid... D Common typ...
1514 
1936 AM1 Mag. Eye, ... Europe sid... NL Common typ... Philips; E...
1515 
1936 AZ2 Full-Wave ... Europe sid... NL Philips It...
1516 
1936 AZ3 Full-Wave ... Europe sid... NL Philips Au...
1517 
1936 C12 Current Re... Europe sid... NL Philips; E... Philips; E...
1518 
1936 C8 Current Re... Europe sid... EU Philips; E... Philips; E...
1519 
1936 C9 Current Re... Europe sid... NL Common typ... Philips; E...
1520 
1936 CL4 Vacuum Pen... Europe sid... EU Common typ...
1521 
1936 D42 Signal Dio... Europe 4-P... A MO Valve C...
1522 
1936 EB2 Double Diode Europe sid... EU Common typ...
1523 
1936 EB4 Double Diode Europe sid... NL Philips; E... Philips; E...
1524 
1936 EBC1 Double Dio... Europe sid... EU Common typ... Telefunken...
1525 
1936 EBC3 Double Dio... Europe sid... NL Philips; E... Philips; E...
1526 
1936 EBF1 Double Dio... Europe sid... NL Philips Au... Philips; E...
1527 
1936 EF3 Vacuum Pen... Europe sid... EU Common typ... Telefunken...
1528 
1936 EF5 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1529 
1936 EF6 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
1530 
1936 EF7 Vacuum Pen... Europe sid... EU Common typ... Telefunken...
1531 
1936 EK2 OCTODE Europe sid... NL Philips; E... Philips; E...
1532 
1936 EL2 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
1533 
1936 EL3 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1534 
1936 EL5 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1535 
1936 EM1 Mag. Eye, ... Europe sid... NL Common typ... Philips; E...
1536 
1936 EZ2 Full-Wave ... Europe sid... NL Philips; E... Philips; E...
1537 
1936 EZ3 Full-Wave ... Europe sid... NL Philips; E... Philips; E...
1538 
1936 EZ4 Full-Wave ... Europe sid... NL Philips; E... Philips; E...
1539 
1936 G1404 Half-Wave ... Europe 4-P... CDN Valvo GmbH...
1540 
1936 KB2 Double Diode Europe sid... EU Common typ...
1541 
1936 KC1_p8 Triode, va... Europe sid... EU Common typ...
1542 
1936 KC3 Triode, va... Europe sid... EU Common typ...
1543 
1936 KDD1 Double Tri... Europe sid... EU Common typ...
1544 
1936 KF3 Vacuum Pen... Europe sid... EU Common typ...
1545 
1936 KF3_7pin Vacuum Pen... British-7-...
1546 
1936 KF4 Vacuum Pen... Europe sid... EU Philips; E...
1547 
1936 KL1_sidecontact Vacuum Pen... Europe sid... EU Common typ...
1548 
1936 KL4 Vacuum Pen... Europe sid... EU Philips; E...
1549 
1936 MEB4 Double Diode Europe sid... Marconi-Os... Philips; E...
1550 
1936 OSW3103 Vacuum Pen... Europe sid... Werk für F...
1551 
1936 RS291 Transmitti... SPECIAL TU... Telefunken...
1552 
1936 TAD1 Triode, va... Europe sid... Tungsram; ...
1553 
1936 TAL4 Vacuum Pen... Europe sid... Tungsram; ...
1554 
1936 TCL4 Vacuum Pen... Europe sid... Tungsram; ...
1555 
1936 TEBC3 Double Dio... Europe sid... Tungsram; ... Philips; E...
1556 
1936 TEF5 Vacuum Pen... Europe sid... Tungsram; ... Philips; E...
1557 
1936 TEF6 Vacuum Pen... Europe sid... Tungsram; ... Philips; E...
1558 
1936 TEZ2 Full-Wave ... Europe sid... Tungsram; ... Philips; E...
1559 
1936 TKC3 Triode, va... Europe sid... Tungsram; ...
1560 
1936 TKDD1 Double Tri... Europe sid... Tungsram; ...
1561 
1936 TKF3 Vacuum Pen... Europe sid... Tungsram; ...
1562 
1936 TKF4 Vacuum Pen... Europe sid... Tungsram; ...
1563 
1936 TKL1_p8 Vacuum Pen... Europe sid... Tungsram; ...
1564 
1937 203B Transmitti... Jumbo 4-pi... ROK Taylor Tub...
1565 
1937 25L6G Beam Power... Octal (Int... ROK Common typ...
1566 
1937 328A Vacuum Pen... 6-Pin-Base... ZA Western El... Western El...
1567 
1937 4683 Triode, va... Europe sid... NL Philips; E...
1568 
1937 4689 Vacuum Pen... Europe sid... NL Philips; E...
1569 
1937 4D1_Loewe Double Diode Europe sid... CDN Loewe-(Opt...
1570 
1937 50NG High-vacuu... German Ste... CDN Loewe-(Opt...
1571 
1937 5Y3GB Full-Wave ... Octal (Int... CH Common typ...
1572 
1937 6C8G Double Tri... Octal (Int... ROK Common typ... Ken-Rad, T...
1573 
1937 6J5 Triode, va... Octal (Int... ROK Common typ...
1574 
1937 6S5 Mag. Eye, ... 6-Pin-Base... ROK Rogers-Maj...
1575 
1937 6S7 Vacuum Pen... Octal (Int... ROK Common typ...
1576 
1937 6U5 Mag. Eye, ... 6-Pin-Base... ROK Common typ...
1577 
1937 6X6_single-cathode Mag. Eye, ... Octal (Int... ROK Rogers-Maj...
1578 
1937 ABL1 Double Dio... Europe sid... NL Philips; E...
1579 
1937 AC/Q Beam Power... British-7-... Hivac Ltd....
1580 
1937 AC/QA Beam Power... Octal (Int... Hivac Ltd....
1581 
1937 AH100 HEXODE Europe sid... D Telefunken... Telefunken...
1582 
1937 AM2 Mag. Eye, ... Europe sid... D Common typ... Telefunken...
1583 
1937 C/EM2 Mag. Eye, ... Europe sid... D Telefunken... Telefunken...
1584 
1937 C10 Current Re... Europe sid... EU Philips; E... Philips; E...
1585 
1937 CBL1 Double Dio... Europe sid... EU Philips; E... Philips; E...
1586 
1937 CK2 LOCKED OFF...
1587 
1937 D1_Mazda_GB Signal Dio... 3 pin wire... Mazda = Va...
1588 
1937 D63 Double Diode Octal (Int... A MO Valve C...
1589 
1937 EBL1 Double Dio... Europe sid... NL Common typ... Philips; E...
1590 
1937 EH2 HEPTODE Europe sid... NL Philips; E... Philips; E...
1591 
1937 FEM Field Emis... Edison big... Leybold; D...
1592 
1937 H63 Triode, va... Octal (Int... ZA Common typ...
1593 
1937 HVR2 Half-Wave ... Europe 4-P... A Mullard Ra...
1594 
1937 PX5 Triode, va... Europe 4-P... A Hivac Ltd.... Hivac Ltd....
1595 
1937 RS276 Transmitti... Europe 4-P... CDN Telefunken...
1596 
1937 RS289 Transmitti... Europe 5-P... CDN Telefunken...
1597 
1937 RS289spez Transmitti... Europe sid... CDN Telefunken...
1598 
1937 RV12P2000 Vacuum Pen... Side conta... CDN Telefunken... Telefunken...
1599 
1937 SR2_Triode Triode, va... Europe 4-P... A 362 Valve ...
1600 
1937 TH4A Triode-Hep... British-7-... TW Mullard Ra...
1601 
1937 VF7 Vacuum Pen... Europe sid... D Telefunken... Telefunken...
1602 
1937 W63 Vacuum Pen... Octal (Int... ROK Common typ...
1603 
1937 X63 Pentagrid-... Octal (Int... ZA Common typ...
1604 
1937 Y63 Mag. Eye, ... Octal (Int... A Osram-Valv...
1605 
1937 Z63 Vacuum Pen... Octal (Int... ROK Common typ...
1606 
1938 1882 Full-Wave ... Europe sid... CH Philips; E...
1607 
1938 1883 Full-Wave ... Europe sid... CH Philips; E...
1608 
1938 1A5G Vacuum Pen... Octal (Int... ROK Common typ...
1609 
1938 1H5G Diode-Triode Octal (Int... ROK Common typ...
1610 
1938 241NG Full-Wave ... German Ste... CDN Loewe-(Opt...
1611 
1938 24M3 Triode-Hex... Europe sid... CDN Loewe-(Opt...
1612 
1938 25L6GT Beam Power... Octal (Int... ROK Common typ...
1613 
1938 4051 Oscillosco... B9 British... Osram-Valv...
1614 
1938 4688 Vacuum Pen... Europe sid... NL Philips; E...
1615 
1938 4699 Vacuum Pen... Europe sid... NL Philips; E...
1616 
1938 4V2 SINGLE-DIO... Europe sid... D Loewe-(Opt...
1617 
1938 6E8G Triode-Hex... Octal (Int... CH Common typ...
1618 
1938 6J8G Triode-Hep... Octal (Int... ROK Common typ...
1619 
1938 6K8 Triode-Hex... Octal (Int... ROK Common typ... RCA (RCA V...
1620 
1938 6M6 Vacuum Pen... Octal (Int... CH Common typ...
1621 
1938 6Q7GT Double Dio... Octal (Int... ROK Common typ...
1622 
1938 6SK7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1623 
1938 6SQ7 Double Dio... Octal (Int... ROK Common typ... RCA (RCA V...
1624 
1938 6X5GT Full-Wave ... Octal (Int... ROK Common typ...
1625 
1938 AD1/350 Triode, va... Europe sid... D Telefunken...
1626 
1938 AL5/325 Vacuum Pen... Europe sid... D Telefunken...
1627 
1938 AL5/375 Vacuum Pen... Europe sid... NL Philips; E...
1628 
1938 AZ11 Full-Wave ... German Ste... D Common typ...
1629 
1938 AZ12 Full-Wave ... German Ste... D Telefunken...
1630 
1938 AZ31 Full-Wave ... Octal (Int... GB Mullard Ra...
1631 
1938 AZ32 Full-Wave ... Octal-8 GB... GB Common typ... Mullard Wi...
1632 
1938 AZ4 Full-Wave ... Europe sid... NL Philips; E...
1633 
1938 CCH1 Triode-Hex... Europe sid... D Telefunken... Telefunken...
1634 
1938 CK3 OCTODE Europe sid... EU Common typ... Philips; E...
1635 
1938 CL6 Vacuum Pen... Europe sid... EU Common typ... Philips; E...
1636 
1938 CY31 Half-Wave ... Octal (Int... GB Mullard Ra...
1637 
1938 DAS1 Screen-gri... Midget 4 p... A Mullard Ra...
1638 
1938 EAB1 Triple Diode Europe sid... NL Philips; E... Philips; E...
1639 
1938 EB11 Double Diode German Ste... D Telefunken... Telefunken...
1640 
1938 EB11_Prototyp Double Diode Telefunken... Telefunken...
1641 
1938 EBC11 Double Dio... German Ste... D Telefunken... Telefunken...
1642 
1938 EBC11_Prototyp Double Dio... Telefunken... Telefunken...
1643 
1938 EBC33 Double Dio... Octal (Int... GB Mullard Ra... Mullard Wi...
1644 
1938 EBF11 Double Dio... German Ste... D Telefunken... Telefunken...
1645 
1938 EBF11_Prototyp Double Dio... Telefunken... Telefunken...
1646 
1938 EBF11g Double Dio... German Ste... Telefunken... Telefunken...
1647 
1938 EBF2 Double Dio... Europe sid... EU Common typ...
1648 
1938 EBL31 Double Dio... Octal (Int... GB Mullard Ra... Mullard Wi...
1649 
1938 ECH11 Triode-Hex... German Ste... D Common typ... Telefunken...
1650 
1938 ECH2 Triode-Hep... Europe sid... NL Philips; E... Philips; E...
1651 
1938 EDD11 Double Tri... German Ste... D Telefunken... Telefunken...
1652 
1938 EDD11_Prototyp Double Tri... Telefunken... Telefunken...
1653 
1938 EE1 Secondary ... Europe sid... NL Philips; E... Philips; E...
1654 
1938 EF11 Vacuum Pen... German Ste... D Common typ... Telefunken...
1655 
1938 EF12 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1656 
1938 EF13 Vacuum Pen... German Ste... D Telefunken... Telefunken...
1657 
1938 EF8 HEXODE Europe sid... NL Philips; E... Philips; E...
1658 
1938 EF9 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1659 
1938 EFM1 Mag.Eye-Pe... Europe sid... NL Philips; E... Philips; E...
1660 
1938 EFM11 Mag.Eye-Pe... German Ste... D Telefunken... Telefunken...
1661 
1938 EK3 OCTODE Europe sid... NL Philips; E... Philips; E...
1662 
1938 EL11 Vacuum Pen... German Ste... D Common typ... Telefunken...
1663 
1938 EL12 Vacuum Pen... German Ste... D Common typ... Telefunken...
1664 
1938 EL32 Vacuum Pen... Octal (Int... GB Common typ... Mullard Wi...
1665 
1938 EL33 Vacuum Pen... Octal (Int... GB Common typ... Mullard Wi...
1666 
1938 EL6 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1667 
1938 EL6/425 Vacuum Pen... Europe sid... Valvo GmbH...
1668 
1938 ELL1 Double Pen... Europe sid... NL Common typ... Philips; E...
1669 
1938 EM3 Mag. Eye, ... Europe sid... GB Common typ... Mullard Wi...
1670 
1938 EZ11 Full-Wave ... German Ste... D Common typ... Telefunken...
1671 
1938 EZ11_Prototyp Full-Wave ... Telefunken... Telefunken...
1672 
1938 EZ12 Full-Wave ... German Ste... D Telefunken... Telefunken...
1673 
1938 HD23 Double Dio... Europe 5-P... A MO Valve C...
1674 
1938 KH1 HEXODE Europe sid... EU Common typ... Philips; E...
1675 
1938 KT33 Screen-gri... Octal (Int... A MO Valve C...
1676 
1938 KTZ41 Vacuum Pen... British-7-... A MO Valve C...
1677 
1938 L63 Triode, va... Octal (Int... A MO Valve C... MO Valve C...
1678 
1938 OSW3121 Full-Wave ... German Ste... Werk für F...
1679 
1938 RES1664d Vacuum Pen... Europe 5-P... CDN Telefunken...
1680 
1938 VCL11 Triode-Bea... German Ste... EU Common typ... Telefunken...
1681 
1938 VL4 Beam Power... Europe sid... EU Common typ... Telefunken...
1682 
1938 VY2 Half-Wave ... Europe sid... EU Common typ... Telefunken...
1683 
1938 WW313A Thyratron ... UX-Base (4... Bell Labs;...
1684 
1939 12A8G Pentagrid-... Octal (Int... ROK Common typ... National U...
1685 
1939 12C8 Double Dio... Octal (Int... ROK Common typ...
1686 
1939 12K8 Triode-Hex... Octal (Int... ROK Common typ...
1687 
1939 12Q7G Double Dio... Octal (Int... ROK Common typ... National U...
1688 
1939 12SA7 Pentagrid-... Octal (Int... ROK Common typ... RCA (RCA V...
1689 
1939 12SK7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1690 
1939 12SQ7 Double Dio... Octal (Int... ROK Common typ... RCA (RCA V...
1691 
1939 12SQ7GT Double Dio... Octal (Int... ROK Common typ...
1692 
1939 1630 HEXODE SPECIAL TU... ROK RCA (RCA V... RCA (RCA V...
1693 
1939 1LA6 Pentagrid-... Loctal-8, ... ROK Common typ...
1694 
1939 35Z5G High-vacuu... Octal (Int... ROK Common typ... National U...
1695 
1939 35Z5GT Half-Wave ... Octal (Int... ROK Common typ... Ken-Rad, T...
1696 
1939 4654 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1697 
1939 4694 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1698 
1939 50L6GT Beam Power... Octal (Int... ROK Common typ...
1699 
1939 6A6X Double Tri... 7-Pin-Base... Common typ...
1700 
1939 6A8GTX Pentagrid-... Octal (Int... ROK Hytron; Sa...
1701 
1939 6AC7 Vacuum Pen... Octal (Int... ROK Common typ...
1702 
1939 6AF7 Mag. Eye, ... Octal (Int... CH Common typ...
1703 
1939 6H8 Double Dio... Octal (Int... CH Common typ...
1704 
1939 6J5GT Triode, va... Octal (Int... ROK Common typ...
1705 
1939 6K8GT Triode-Hex... Octal (Int... ROK Common typ... Arcturus R...
1706 
1939 6R7GT Double Dio... Octal (Int... ROK Common typ...
1707 
1939 6SA7 Pentagrid-... Octal (Int... ROK Common typ... RCA (RCA V...
1708 
1939 6SA7GT Pentagrid-... Octal (Int... ROK Common typ...
1709 
1939 6SJ7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1710 
1939 6V6GT Beam Power... Octal (Int... ROK Common typ... Hytron; Sa...
1711 
1939 7B6 Double Dio... Loctal-8, ... ROK Common typ...
1712 
1939 AB1939 Vacuum Pen... UY-Base, 5... ROK Sylvania (...
1713 
1939 AC101 Triode, va... Europe 5-P... D Telefunken...
1714 
1939 AD100 Triode, va... EU-Telepho... D Telefunken...
1715 
1939 AL5N UNKNOWN NL Common typ... Philips; E...
1716 
1939 AX50 Full-Wave ... Europe 4-P... NL Philips; E...
1717 
1939 AZ11N Full-Wave ... German Ste... NL Telefunken... Philips; E...
1718 
1939 AZ50 Full-Wave ... Europe 4-P... NL Philips; E...
1719 
1939 C13 Ballast Tu... Europe sid... NL Philips; E... Philips; E...
1720 
1939 CBL6 Double Dio... Europe sid... NL Philips; E... Philips; E...
1721 
1939 CF50 Vacuum Pen... Europe sid... EU Common typ... Philips; E...
1722 
1939 D43 Signal Dio... Europe 4-P... A MO Valve C...
1723 
1939 DF33 Vacuum Pen... Octal (Int... EU Common typ... Mullard Wi...
1724 
1939 DL33 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Wi...
1725 
1939 E1046 Transmitti... Wires GEC, Gener...
1726 
1939 EA111 Half-Wave ... German Ste... D Common typ... Telefunken...
1727 
1939 EA50 Signal Dio... 3 pin wire... NL Common typ... Philips; E...
1728 
1939 EC50 Thyratron Europe sid... NL Common typ... Philips; E...
1729 
1939 ECH3 Triode-Hex... Europe sid... NL Common typ... Philips; E...
1730 
1939 ECH35 Triode-Hex... Octal (Int... GB Mullard Ra... Mullard Ra...
1731 
1939 ECL11 Triode-Bea... German Ste... D Telefunken... Telefunken...
1732 
1939 EE50 Secondary ... Loctal-9-P... NL Common typ... Philips; E...
1733 
1939 EF14 Vacuum Pen... German Ste... D Telefunken... Telefunken...
1734 
1939 EF36 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Wi...
1735 
1939 EF38 HEXODE Octal (Int... GB Mullard Ra... Mullard Ra...
1736 
1939 EF39 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Ra...
1737 
1939 EF50 Vacuum Pen... Loctal-9-P... NL Common typ... Philips; E...
1738 
1939 EL11N Vacuum Pen... German Ste... NL Philips; E...
1739 
1939 EL12spez Vacuum Pen... German Ste... D Telefunken... Telefunken...
1740 
1939 EL3/375 Vacuum Pen... Europe sid... Philips; E...
1741 
1939 EL3N Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1742 
1939 EM11 Mag. Eye, ... German Ste... D Telefunken... Telefunken...
1743 
1939 EM2 Mag. Eye, ... Europe sid... D Telefunken... Philips; E...
1744 
1939 EM4 Mag. Eye, ... Europe sid... NL Common typ... Philips; E...
1745 
1939 ES111 Vacuum Pen... German Ste... D Telefunken... Telefunken...
1746 
1939 KC4 Triode, va... Europe sid... EU Common typ... Philips; E...
1747 
1939 KCH1 Triode-Hex... Europe sid... EU Common typ... Telefunken...
1748 
1939 KL5 Vacuum Pen... Europe sid... EU Common typ...
1749 
1939 Ln26676 Relay in g... Telefunken...
1750 
1939 NT57T Transmitti... Wires A Common typ...
1751 
1939 UBF11 Double Dio... German Ste... EU Common typ... Telefunken...
1752 
1939 UCH11 Triode-Hex... German Ste... EU Common typ... Telefunken...
1753 
1939 UCL11 Triode-Bea... German Ste... EU Common typ... Telefunken...
1754 
1939 UY11 Half-Wave ... German Ste... EU Common typ... Telefunken...
1755 
1939 VF3 Vacuum Pen... Europe sid... D Telefunken...
1756 
1939 VL1a Vacuum Pen... D Telefunken... Telefunken...
1757 
1939 VT-127A Transmitti... SPECIAL TU... ROK Common typ...
1758 
1939 VT-128 HEPTODE SPECIAL TU... CDN Common typ...
1759 
1939 VT90 Transmitti... Wires Common typ... GEC, Gener...
1760 
1939 X61M Triode-Hex... Octal (Int... A Marconi-Os...
1761 
1940 1LC6 Pentagrid-... Loctal-8, ... ROK Common typ...
1762 
1940 1R5 Pentagrid-... Miniatur-7... USA Common typ...
1763 
1940 1S4 Vacuum Pen... Miniatur-7... ROK Common typ...
1764 
1940 1T4 Vacuum Pen... Miniatur-7... ROK Common typ...
1765 
1940 3S4 Vacuum Pen... Miniatur-7... ROK Common typ...
1766 
1940 6M7 Vacuum Pen... Octal (Int... CH Common typ...
1767 
1940 AD1/400 Triode, va... D Telefunken...
1768 
1940 AF100 Vacuum Pen... Side conta... D Telefunken...
1769 
1940 DAC21 Diode-Triode Octal (Int... EU Common typ... Philips; E...
1770 
1940 DAF11 Diode-Pent... German Ste... EU Common typ... Telefunken...
1771 
1940 DAH50 SPECIAL TU... Octal (Int... NL Philips; E... Philips; E...
1772 
1940 DBC21 Double Dio... Octal (Int... NL Philips; E... Philips; E...
1773 
1940 DC11 Triode, va... German Ste... EU Common typ... Telefunken...
1774 
1940 DCH11 Triode-Hex... German Ste... EU Common typ... Telefunken...
1775 
1940 DCH21 Triode-Hex... Octal (Int... EU Common typ... Philips; E...
1776 
1940 DDD11 Double Tri... German Ste... EU Common typ... Telefunken...
1777 
1940 DF11 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1778 
1940 DF21 Vacuum Pen... Octal (Int... EU Common typ... Philips; E...
1779 
1940 DF22 Vacuum Pen... Octal (Int... NL Philips; E...
1780 
1940 DK21 OCTODE Octal (Int... NL Philips; E... Philips; E...
1781 
1940 DL11 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1782 
1940 DL21 Vacuum Pen... Octal (Int... NL Philips; E... Philips; E...
1783 
1940 DL31 Vacuum Pen... Octal (Int... EU Common typ... Mullard Wi...
1784 
1940 DLL21 Double Pen... Octal (Int... EU Philips; E... Philips; E...
1785 
1940 DLL21_2,8Volt LOCKED OFF... Octal (Int... Philips; E... Philips; E...
1786 
1940 DM21 Mag. Eye, ... Octal (Int... NL Philips; E... Philips; E...
1787 
1940 ECF1 Triode-Pen... Europe sid... NL Common typ... Philips; E...
1788 
1940 ECH33 Triode-Hep... Octal (Int... GB Mullard Ra...
1789 
1940 ECH4 Triode-Hep... Europe sid... NL Philips; E... Philips; E...
1790 
1940 EL12/325 Vacuum Pen... German Ste...
1791 
1940 EL12/375 Vacuum Pen... German Ste... J Telefunken...
1792 
1940 EL50 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
1793 
1940 EL51 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1794 
1940 Ste1000/2/6 Thyratron EU-Telepho... CDN Siemens (&...
1795 
1940 Sutton_tube Reflex Kly... Wires
1796 
1940 UBL1 Double Dio... Octal (Int... EU Common typ... Philips; E...
1797 
1940 UCH4 Triode-Hep... Octal (Int... EU Common typ... Philips; E...
1798 
1940 UF11 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1799 
1940 UF9 Vacuum Pen... Octal (Int... EU Common typ... Philips; E...
1800 
1940 UFM11 Mag. Eye, ... German Ste... EU Common typ... Telefunken...
1801 
1940 UL12 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1802 
1940 UM11 Mag. Eye, ... German Ste... EU Common typ... Telefunken...
1803 
1940 UM4 Mag. Eye, ... Octal (Int... EU Common typ... Philips; E...
1804 
1941 10E/501 Reflex Kly... Octal (Int...
1805 
1941 12SF7 Diode-Pent... Octal (Int... ROK Common typ... RCA (RCA V...
1806 
1941 708A Triode, va... SPECIAL TU... Western El... Western El...
1807 
1941 AZ21 Full-Wave ... Loctal-8, ... NL Philips; E... Philips; E...
1808 
1941 CV150 Klystron, ... EMI; Hayes... EMI; Hayes...
1809 
1941 CV35 Reflex Kly... Octal (Int... Common typ... EMI; Hayes...
1810 
1941 DAC25 Diode-Triode Loctal-8, ... NL Philips; E... Philips; E...
1811 
1941 DC25 Triode, va... Loctal-8, ... EU Common typ... Philips; E...
1812 
1941 DCH22 Triode-Hex... Loctal-8, ... NL Philips; E... Philips; E...
1813 
1941 DCH25 Triode-Hex... Loctal-8, ... NL Philips; E... Philips; E...
1814 
1941 DDD25 Double Tri... Loctal-8, ... NL Common typ... Philips; E...
1815 
1941 DF25 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1816 
1941 DF26 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1817 
1941 E1189 Pulse magn... A GEC, Gener...
1818 
1941 E1198 Pulse magn... GEC, Gener...
1819 
1941 EBL21 Double Dio... Loctal-8, ... NL Philips; E... Philips; E...
1820 
1941 ECH21 Triode-Hep... Loctal-8, ... NL Philips; E... Philips; E...
1821 
1941 EF22 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1822 
1941 EF53 Vacuum Pen... Loctal-9-P... NL Philips; E... Philips; E...
1823 
1941 EFF50 Double Pen... Loctal-9-P... NL Philips; E... Philips; E...
1824 
1941 EFF51 Double Pen... Loctal-9-P... NL Philips; E... Philips; E...
1825 
1941 REL3C Pulse magn... Research E...
1826 
1941 UBL21 Double Dio... Loctal-8, ... NL Common typ... Philips; E...
1827 
1941 UCH21 Triode-Hep... Loctal-8, ... NL Philips; E... Philips; E...
1828 
1941 UF21 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1829 
1941 UY1N Half-Wave ... Octal (Int... D Common typ...
1830 
1941 UY21 Half-Wave ... Loctal-8, ... NL Philips; E... Philips; E...
1831 
1942 1L4 Vacuum Pen... Miniatur-7... USA Common typ...
1832 
1942 3A4 Vacuum Pen... Miniatur-7... ROK Common typ...
1833 
1942 6AK5 Vacuum Pen... Miniatur-7... USA Common typ... Western El...
1834 
1942 6AL5 Double Diode Miniatur-7... USA Common typ... RCA (RCA V...
1835 
1942 721A TR-switch Bell Labs;...
1836 
1942 729A TR-switch Western El...
1837 
1942 DL25 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1838 
1942 EBF32 Double Dio... Octal (Int... GB Mullard Ra... Mullard Wi...
1839 
1942 ECC31 Double Tri... Octal (Int... GB Mullard Ra...
1840 
1942 ECC32 Double Tri... Octal (Int... GB Mullard Ra...
1841 
1942 ECC35 Double Tri... Octal (Int... GB Mullard Ra...
1842 
1942 EF37 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Ra...
1843 
1942 EF37A Vacuum Pen... Octal (Int... Mullard Ra... Mullard Ra...
1844 
1942 EF51 Vacuum Pen... Loctal-8, ... NL Common typ... Philips; E...
1845 
1942 EL151 Beam Power... German Ste... CDN Telefunken...
1846 
1943 1B24 TR-switch SPECIAL TU... ROK Common typ... Westinghou...
1847 
1943 2J35 CW-magnetron UX-Base (4... ROK RCA (RCA V... RCA (RCA V...
1848 
1944 1P25A Image conv... SPECIAL TU... Farnsworth... RCA (RCA V...
1849 
1944 CV64 Pulse magn... SPECIAL TU... GB Common typ... BTH (B.T.H...
1850 
1944 P2d Vacuum Pen... SPECIAL TU... BBC - Brow...
1851 
1945 3V4 Vacuum Pen... Miniatur-7... ROK Common typ...
1852 
1945 6AT6 Double Dio... Miniatur-7... ROK Common typ... RCA (RCA V...
1853 
1946 12AT6 Double Dio... Miniatur-7... ROK Common typ... RCA (RCA V...
1854 
1946 12BA6 Vacuum Pen... Miniatur-7... USA Common typ... RCA (RCA V...
1855 
1946 12BE6 Pentagrid-... Miniatur-7... ROK Common typ... RCA (RCA V...
1856 
1946 1B3GT Half-Wave ... Octal (Int... ROK Common typ...
1857 
1946 35W4 Half-Wave ... Miniatur-7... ROK Common typ... RCA (RCA V...
1858 
1946 3KP1 Oscillosco...
1859 
1946 6AQ5 Beam Power... Miniatur-7... ROK Common typ...
1860 
1946 6AU6 Vacuum Pen... Miniatur-7... ROK Common typ... RCA (RCA V...
1861 
1946 6BA6 Vacuum Pen... Miniatur-7... USA Common typ... RCA (RCA V...
1862 
1946 6BE6 Pentagrid-... Miniatur-7... USA Common typ... RCA (RCA V...
1863 
1946 6S8GT Triple Dio... Octal (Int... ROK Common typ... Tung-Sol E...
1864 
1946 EL38 Vacuum Pen... Octal (Int... A Common typ...
1865 
1946 EM34 Mag. Eye, ... Octal (Int... A Common typ...
1866 
1946 GL5559 Thyratron UX-Base (4... General El... General El...
1867 
1946 GL5560 Thyratron General El... General El...
1868 
1946 Selectron_256 COUNTING A... RCA (RCA V...
1869 
1947 12AT7 Double Tri... Noval, 9 p... USA Common typ... General El...
1870 
1947 45A5 Vacuum Pen... Rimlock ba... Common typ... Philips; E...
1871 
1947 6CJ5 Vacuum Pen... Rimlock ba... Common typ... Philips; E...
1872 
1947 6CK5 Vacuum Pen... Rimlock ba... Common typ... Philips; E...
1873 
1947 AZ41 Full-Wave ... Rimlock ba... EU Common typ... Philips; E...
1874 
1947 BF451_Mazda-F Vacuum Pen... Rimlock ba... Mazda (tub...
1875 
1947 BF62 Vacuum Pen... Rimlock ba... Mazda (tub...
1876 
1947 CF141 Triode-Hex... Rimlock ba... Mazda (tub...
1877 
1947 DAF91 Diode-Pent... Miniatur-7... NL Philips; E... Philips; E...
1878 
1947 DF91 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1879 
1947 DK91 HEPTODE Miniatur-7... EU Common typ...
1880 
1947 DL92 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1881 
1947 EAF41 Diode-Pent... Rimlock ba... J Common typ...
1882 
1947 ECH11g Triode-Hex... German Ste... Telefunken...
1883 
1947 ECH41 Triode-Hex... Rimlock ba... Common typ...
1884 
1947 EEP1 Secondary ... NL Philips; E...
1885 
1947 EF41 Vacuum Pen... Rimlock ba... J Common typ...
1886 
1947 EFP20 Secondary ... NL Philips; E...
1887 
1947 EFP60 Secondary ... Loctal-9-P... NL Philips; E...
1888 
1947 EL20 Vacuum Pen... Loctal-8, ... NL Philips; E...
1889 
1947 EL39 Vacuum Pen... Philips; E...
1890 
1947 EL41 Vacuum Pen... Rimlock ba... J Common typ...
1891 
1947 EL42 Vacuum Pen... Rimlock ba... J Common typ...
1892 
1947 EL42E Vacuum Pen... Rimlock ba...
1893 
1947 EL60 Vacuum Pen... Loctal-9-P... NL Philips; E...
1894 
1947 EW60 Half-Wave ... Loctal-9-P... NL Philips; E...
1895 
1947 ML5658 Transmitte... TRANSMITTI... ROK Machlett L...
1896 
1947 N17 Vacuum Pen... Miniatur-7...
1897 
1947 UA55 Double Bea... Novar, B9E... TW Tungsram (...
1898 
1947 UAF41 Diode-Pent... Rimlock ba... J Common typ...
1899 
1947 UCH41 Triode-Hex... Rimlock ba... J Common typ...
1900 
1947 UF41 Vacuum Pen... Rimlock ba... J Common typ... Philips; E...
1901 
1947 UL41 Vacuum Pen... Rimlock ba... J Common typ...
1902 
1947 UL71 Vacuum Pen... Loctal-8, ... CDN Lorenz; Be...
1903 
1947 UY41 Half-Wave ... Rimlock ba... J Common typ... Philips; E...
1904 
1947 V311 Half-Wave ... Rimlock ba... Mazda (tub...
1905 
1947 V41_Mazda-F Full-Wave ... Rimlock ba... Mazda (tub... Philips; E...
1906 
1947 VCH11 Triode-Hex... German Ste... CDN Telefunken...
1907 
1947 VEL11 Double Tet... German Ste... CDN Telefunken... Telefunken...
1908 
1947 VF14 Vacuum Pen... German Ste... CDN Telefunken...
1909 
1947 W17 Vacuum Pen... Miniatur-7... MO Valve C...
1910 
1947 Williams-Kilburn COUNTING A...
1911 
1947 X17 HEPTODE Miniatur-7...
1912 
1947 ZD17 Diode-Pent... Miniatur-7... Marconi-Os...
1913 
1948 12AU7 Double Tri... Noval, 9 p... ROK Common typ... RCA (RCA V...
1914 
1948 12AV6 Double Dio... Miniatur-7... ROK Common typ...
1915 
1948 1677 Beam Power... Octal (Int... RCA (RCA V... RCA (RCA V...
1916 
1948 19T8 Triple Dio... Noval, 9 p... ROK Common typ...
1917 
1948 3KP4 Television... D Common typ...
1918 
1948 50C5 Beam Power... Miniatur-7... ROK Common typ...
1919 
1948 5658 Transmitte... TRANSMITTI... Common typ... Machlett L...
1920 
1948 6CT7 Diode-Pent... Rimlock ba... Common typ... Philips; E...
1921 
1948 6T8 Triple Dio... Noval, 9 p... Common typ... General El...
1922 
1948 7AK7 Vacuum Pen... Loctal-8, ...
1923 
1948 AA61 Double Tri... Rimlock ba... Mazda (tub... Philips; E...
1924 
1948 DAF40 Diode-Pent... NL Philips; E... Philips; E...
1925 
1948 DAF41 Diode-Pent... NL Philips; E... Philips; E...
1926 
1948 DK40 OCTODE Rimlock ba... EU Common typ... Philips; E...
1927 
1948 DL41 Vacuum Pen... Rimlock ba... EU Common typ... Philips; E...
1928 
1948 DL91 Vacuum Pen... Miniatur-7... NL Philips; E...
1929 
1948 EAF42 Diode-Pent... Rimlock ba... Common typ... Philips; E...
1930 
1948 EB41 Double Diode Rimlock ba... Common typ...
1931 
1948 ECC40 Double Tri... Rimlock ba... J Common typ... Philips; E...
1932 
1948 ECH42 Triode-Hex... Rimlock ba... Common typ... Philips; E...
1933 
1948 EF40 Vacuum Pen... Rimlock ba... J Common typ...
1934 
1948 EF42 Vacuum Pen... Rimlock ba... J Common typ...
1935 
1948 ESU400 Half-Wave ... UV-Base (4... Mazda = Va...
1936 
1948 EY51 Half-Wave ... SPECIAL TU... NL Philips; E...
1937 
1948 EZ40 Full-Wave ... Rimlock ba... Common typ... Philips; E...
1938 
1948 EZ41 Full-Wave ... Rimlock ba... Common typ... Philips; E...
1939 
1948 GL5720 Thyratron UX-Base (4... General El... General El...
1940 
1948 GZ40 Full-Wave ... Common typ...
1941 
1948 UAF42 Diode-Pent... Rimlock ba... Common typ...
1942 
1948 UBF11g Double Dio... German Ste... Telefunken...
1943 
1948 UBL3 Double Dio... Europe sid... CDN Valvo GmbH...
1944 
1948 UCH11g Triode-Hex... Telefunken...
1945 
1948 UCH42 Triode-Hex... Rimlock ba... Common typ... Philips; E...
1946 
1948 UCH5 Triode-Hep... Europe sid... CDN Valvo GmbH...
1947 
1948 UEL71 Tetrode-Pe... Loctal-8, ... CDN Lorenz; Be...
1948 
1948 UF5 Vacuum Pen... Europe sid... Valvo GmbH...
1949 
1948 UF6 Vacuum Pen... Europe sid... Valvo GmbH...
1950 
1948 UL2_Valvo Beam Power... Europe sid... EU Valvo GmbH... Valvo GmbH...
1951 
1948 UL44 Vacuum Pen... Rimlock ba...
1952 
1948 UY3 Half-Wave ... Europe sid... CDN Valvo GmbH...
1953 
1948 UY42 Half-Wave ... Rimlock ba... Philips; E...
1954 
1948 V312_Mazda-F Half-Wave ... Rimlock ba... Mazda (tub...
1955 
1948 V51_Mazda-F Full-Wave ... Mazda (tub...
1956 
1948 V61 Full-Wave ... Rimlock ba... Mazda (tub...
1957 
1949 12AX7 Double Tri... Noval, 9 p... USA Common typ... RCA (RCA V...
1958 
1949 12SP7 Radar Pict... Duodecal (... Common typ...
1959 
1949 3KP11 Oscillosco... RCA (RCA V...
1960 
1949 6AN7 Triode-Hex... Noval, 9 p... Common typ... Philips; E...
1961 
1949 6BD7 Double Dio... Noval, 9 p... Common typ... Philips; E...
1962 
1949 6CB6 Vacuum Pen... Miniatur-7... Common typ...
1963 
1949 6M5 Vacuum Pen... Noval, 9 p... Common typ... Philips; E...
1964 
1949 6N8 Double Dio... Noval, 9 p... Common typ... Philips; E...
1965 
1949 B6S1 Oscillosco... SPECIAL TU... Funkwerk E...
1966 
1949 DF92 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1967 
1949 EAA11 Double Diode German Ste... Telefunken...
1968 
1949 EAT1500 Transmitti... TRANSMITTI... Ediswan, S...
1969 
1949 EB91 Double Diode Miniatur-7... A Common typ...
1970 
1949 EBC41 Double Dio... Rimlock ba... Common typ... Philips; E...
1971 
1949 EC80 Triode, va... Noval, 9 p...
1972 
1949 EL13 Beam Power... German Ste... Telefunken...
1973 
1949 EL8 Beam Power... Europe sid... Valvo GmbH... Valvo GmbH...
1974 
1949 EM71 Mag. Fan, ... Loctal-8, ... Lorenz; Be... Lorenz; Be...
1975 
1949 EQ40 ENNEODE Rimlock ba... Common typ... Philips; E...
1976 
1949 MSC2 Triode, va... Wires Hiller, A.... Hiller, A....
1977 
1949 UBC41 Double Dio... Rimlock ba... Philips; E...
1978 
1949 UEL11 Double Tet... German Ste... Telefunken... Telefunken...
1979 
1949 UY2 Half-Wave ... Europe sid... Telefunken... Telefunken...
1980 
1949 UY4 Half-Wave ... Europe sid... Valvo GmbH... Valvo GmbH...
1981 
1950 3E5 Beam Power... Miniatur-7... Common typ...
1982 
1950 5976 Reflex Kly... Raytheon M...
1983 
1950 DAP50 Vacuum Pen... German Ste... Telefunken...
1984 
1950 DF67 Vacuum Pen... Subminiatu...
1985 
1950 DF906 Screen-gri... Miniatur-7... Telefunken... Telefunken...
1986 
1950 DL67 Vacuum Pen... Subminiatu...
1987 
1950 DL907 Vacuum Pen... Miniatur-7... Telefunken...
1988 
1950 DL93 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1989 
1950 DL94 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1990 
1950 DL95 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1991 
1950 DLL101 Double Pen... Miniatur-7... Tungsram; ... Tungsram; ...
1992 
1950 EBC91 Double Dio... Miniatur-7... Common typ...
1993 
1950 EBF15 Double Dio... German Ste... Telefunken... Telefunken...
1994 
1950 EBF80 Double Dio... Noval, 9 p... Common typ...
1995 
1950 EBL71 Double Dio... Loctal-8, ... Lorenz; Be...
1996 
1950 ECF12 Triode-Pen... German Ste... Telefunken... Telefunken...
1997 
1950 ECH43 Triode-Hex... Rimlock ba... Common typ...
1998 
1950 ECH71 Triode-Hep... Loctal-8, ... Lorenz; Be...
1999 
1950 ECL113 Triode-Bea... Rimlock ba... Telefunken... Telefunken...
2000 
1950 ECL80 Triode-Pen... Noval, 9 p... Common typ... Philips; E...
2001 
1950 EEL71 Tetrode-Pe... Lorenz; Be...
2002 
1950 EF15 Vacuum Pen... German Ste... Telefunken... Telefunken...
2003 
1950 EF43 Vacuum Pen... Rimlock ba... Common typ...
2004 
1950 EF80 Vacuum Pen... Noval, 9 p... Common typ...
2005 
1950 EF93 Vacuum Pen... Miniatur-7... Common typ...
2006 
1950 EF94 Vacuum Pen... Miniatur-7... Common typ...
2007 
1950 EK90 Pentagrid-... Miniatur-7... Common typ...
2008 
1950 EL152 Transmitti... TFK-10-pin... Telefunken...
2009 
1950 EL34 Vacuum Pen... Octal (Int... Common typ... Philips; E...
2010 
1950 EL90 Beam Power... Miniatur-7... Common typ...
2011 
1950 EM5 Mag. Eye, ... Europe sid... Telefunken... Telefunken...
2012 
1950 EQ80 ENNEODE Noval, 9 p... Common typ... Philips; E...
2013 
1950 HBC91 Double Dio... Miniatur-7... Common typ...
2014 
1950 HF93 Vacuum Pen... Miniatur-7... Common typ...
2015 
1950 HF94 Vacuum Pen... Miniatur-7... Common typ...
2016 
1950 HK90 Pentagrid-... Miniatur-7... Common typ...
2017 
1950 HL90 Beam Power... Miniatur-7... Common typ...
2018 
1950 MW22-16 Television... Duodecal (... Mullard Ra...
2019 
1950 PL81 Beam Power... Noval, 9 p... Common typ...
2020 
1950 PL83 Vacuum Pen... Noval, 9 p... Common typ...
2021 
1950 PY80 Damper, bo... Noval, 9 p... Common typ...
2022 
1950 UAA11 Double Diode German Ste... Telefunken... Telefunken...
2023 
1950 UB41 Double Diode Rimlock ba...
2024 
1950 UBF15 Double Dio... German Ste... Telefunken... Telefunken...
2025 
1950 UBF80 Double Dio... Noval, 9 p... Common typ...
2026 
1950 UBL71 Double Dio... Loctal-8, ...
2027 
1950 UCF12 Triode-Pen... German Ste... Telefunken... Telefunken...
2028 
1950 UCH71 Triode-Hep... Loctal-8, ... Lorenz; Be...
2029 
1950 UEL51 Double Tet... German Ste... Funkwerk E... Funkwerk E...
2030 
1950 UF14 Vacuum Pen... German Ste...
2031 
1950 UF15 Vacuum Pen... German Ste... Telefunken... Telefunken...
2032 
1950 UF42 Vacuum Pen... Rimlock ba... Common typ...
2033 
1950 UF43 Vacuum Pen... Rimlock ba... Common typ...
2034 
1950 UL11 Vacuum Pen... German Ste... Telefunken... Telefunken...
2035 
1950 UQ80 ENNEODE Noval, 9 p... Common typ...
2036 
1950 X727 Pentagrid-... Miniatur-7... Osram-Valv...
2037 
1950 X77 Pentagrid-... Miniatur-7...
2038 
1951 6AD8 Double Dio... Noval, 9 p... Amalgamate...
2039 
1951 95-126-01 Double Tri... Noval, 9 p... Common typ...
2040 
1951 DF904 Vacuum Pen... Miniatur-7... Common typ...
2041 
1951 DK92 Pentagrid-... Miniatur-7... EU Common typ...
2042 
1951 DY80 Half-Wave ... Noval, 9 p... EU Common typ...
2043 
1951 EAA91 Double Diode Miniatur-7... Common typ...
2044 
1951 ECC81 Double Tri... Noval, 9 p... Common typ...
2045 
1951 ECC82 Double Tri... Noval, 9 p... Common typ...
2046 
1951 ECC91 Double Tri... Miniatur-7... Common typ...
2047 
1951 EF804S Vacuum Pen... Noval, 9 p... Telefunken... Telefunken...
2048 
1951 EF85 Vacuum Pen... Noval, 9 p... Common typ...
2049 
1951 EM72 Mag. Fan, ... Loctal-8, ... Lorenz; Be...
2050 
1951 EZ40A Full-Wave ... Rimlock ba... Common typ...
2051 
1951 EZ90 Full-Wave ... Miniatur-7... Common typ...
2052 
1951 GL6044 Thyratron General El...
2053 
1951 GZ41 Full-Wave ... Rimlock ba... Common typ... Common typ...
2054 
1951 HM71 Mag. Fan, ... Loctal-8, ... Lorenz; Be...
2055 
1951 HY90 Half-Wave ... Miniatur-7... Common typ...
2056 
1951 N152 Beam Power... Noval, 9 p...
2057 
1951 N153 Vacuum Pen... Noval, 9 p...
2058 
1951 N154 Vacuum Pen... Noval, 9 p...
2059 
1951 PCL81 Triode-Bea... Noval, 9 p... Telefunken... Telefunken...
2060 
1951 PL82 Vacuum Pen... Noval, 9 p... Common typ...
2061 
1951 PY81 Damper, bo... Noval, 9 p... Common typ...
2062 
1951 PY82 Half-Wave ... Noval, 9 p... Common typ...
2063 
1951 UF80 Vacuum Pen... Noval, 9 p... Common typ...
2064 
1951 UF85 Vacuum Pen... Noval, 9 p... Common typ...
2065 
1951 XAA91 Double Diode Miniatur-7...
2066 
1952 19AK8 Triple Dio... Noval, 9 p... Common typ...
2067 
1952 6AK8 Triple Dio... Noval, 9 p... Common typ... Philips; E...
2068 
1952 6BH5 Vacuum Pen... Noval, 9 p... Amalgamate...
2069 
1952 6BQ7A Double Tri... Noval, 9 p... Common typ...
2070 
1952 DC90 Triode, va... Miniatur-7... EU Common typ...
2071 
1952 DM70 Mag. Strip... Subminiatu... EU Common typ... Philips; E...
2072 
1952 EABC80 Triple Dio... Noval, 9 p... Common typ...
2073 
1952 EC92 Triode, va... Miniatur-7... Common typ... Common typ...
2074 
1952 ECH81 Triode-Hep... Noval, 9 p... Common typ...
2075 
1952 EF804 Vacuum Pen... Noval, 9 p... Telefunken... Telefunken...
2076 
1952 EL156 Vacuum Pen... German Ste... Telefunken... Telefunken...
2077 
1952 EL803 Vacuum Pen... Noval, 9 p... Telefunken...
2078 
1952 EM35 Mag. Eye, ... Octal (Int... Telefunken...
2079 
1952 EM85 Mag. Fan, ... Noval, 9 p... Common typ...
2080 
1952 ES1 Voltage Re... Noval, 9 p... Elesta AG,...
2081 
1952 ES11 Voltage Re... Subminiatu... Elesta AG,...
2082 
1952 ES2 Voltage Re... Noval, 9 p... Elesta AG,...
2083 
1952 EZ80 Full-Wave ... Noval, 9 p... Common typ...
2084 
1952 HABC80 Triple Dio... Noval, 9 p... Common typ...
2085 
1952 HCH81 Triode-Hep... Noval, 9 p... Common typ...
2086 
1952 HM85 Mag. Fan, ... Noval, 9 p... Lorenz; Be...
2087 
1952 PABC80 Triple Dio... Noval, 9 p... Common typ...
2088 
1952 PY83 Damper, bo... Noval, 9 p... Common typ...
2089 
1952 R120 Full-Wave ... Europe 4-P... Rectron Gm...
2090 
1952 UABC80 Triple Dio... Noval, 9 p... Common typ...
2091 
1952 UC92 Triode, va... Miniatur-7... Common typ...
2092 
1952 UCH81 Triode-Hep... Noval, 9 p... Common typ...
2093 
1952 UCL81 Triode-Bea... Noval, 9 p... Common typ... Telefunken...
2094 
1952 UM35 Mag. Eye, ... Octal (Int... Telefunken...
2095 
1952 X119 Triode-Hep... GEC, Gener...
2096 
1953 1AJ5 Diode-Pent... Subminiatu... Raytheon M...
2097 
1953 5Y3WGTA Full-Wave ... Octal (Int... Common typ... General El...
2098 
1953 5Y3WGTB Full-Wave ... Octal (Int... General El...
2099 
1953 6BM5 Vacuum Pen... Miniatur-7... Common typ...
2100 
1953 6BX4 Full-Wave ... Miniatur-7... Common typ...
2101 
1953 6U8 Triode-Pen... Noval, 9 p... Common typ... Tung-Sol E...
2102 
1953 DAF96 Diode-Pent... Miniatur-7... EU Common typ... Philips; E...
2103 
1953 DF96 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
2104 
1953 DK96 Pentagrid-... Miniatur-7... EU Common typ...
2105 
1953 DL96 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
2106 
1953 DM71 Mag. Strip... Subminiatu... EU Common typ... Philips; E...
2107 
1953 ECC85 Double Tri... Noval, 9 p... Common typ...
2108 
1953 EF95 Vacuum Pen... Miniatur-7... Mullard Ra...
2109 
1953 EL84 Vacuum Pen... Noval, 9 p... EU Common typ...
2110 
1953 EM71a Mag. Fan, ... Loctal-8, ... Lorenz; Be...
2111 
1953 EM80 Mag. Fan, ... Noval, 9 p... Common typ...
2112 
1953 EY81 Damper, bo... Noval, 9 p... Common typ...
2113 
1953 N709 Vacuum Pen... MO Valve C...
2114 
1953 PCC84 Double Tri... Noval, 9 p... Common typ...
2115 
1953 PCC85 Double Tri... Noval, 9 p... Common typ...
2116 
1953 PCF80 Triode-Pen... Noval, 9 p... Common typ...
2117 
1953 PCF82 Triode-Pen... Noval, 9 p... Common typ...
2118 
1953 UM85 Mag. Fan, ... Noval, 9 p... Lorenz; Be... Lorenz; Be...
2119 
1954 95-127-01 Double Tri... Noval, 9 p... Common typ...
2120 
1954 B7S1 Oscillosco... German Ste... Funkwerk E...
2121 
1954 DF651 Vacuum Pen... Subminiatu... D Telefunken...
2122 
1954 DF97 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
2123 
1954 DL651 Vacuum Pen... Subminiatu...
2124 
1954 EBC81 Double Dio... Noval, 9 p... Common typ...
2125 
1954 EBF89 Double Dio... Noval, 9 p... Common typ...
2126 
1954 ECC83 Double Tri... Noval, 9 p... Common typ...
2127 
1954 EF86 Vacuum Pen... Noval, 9 p... Common typ...
2128 
1954 EF89 Vacuum Pen... Noval, 9 p... Common typ...
2129 
1954 EY86 Half-Wave ... Noval, 9 p... Common typ...
2130 
1954 GZ34 Full-Wave ... Octal (Int... Common typ...
2131 
1954 UCC85 Double Tri... Noval, 9 p... Common typ...
2132 
1954 UF89 Vacuum Pen... Noval, 9 p... Common typ...
2133 
1954 UM80 Mag. Fan, ... Noval, 9 p... Common typ...
2134 
1954 UY85 Half-Wave ... Noval, 9 p... Common typ...
2135 
1954 Y119 Mag. Fan, ... Noval, 9 p...
2136 
1955 5T8 Triple Dio... Noval, 9 p...
2137 
1955 6498 Storage Os... Diheptal (... Hughes Air... Hughes Air...
2138 
1955 6CF8 Vacuum Pen... Noval, 9 p...
2139 
1955 95322 Ionisation... Valvo GmbH...
2140 
1955 DC96 Triode, va... Miniatur-7... EU Common typ...
2141 
1955 DL651E Vacuum Pen... Subminiatu...
2142 
1955 DL651spez Vacuum Pen... Subminiatu...
2143 
1955 DY86 High-vacuu... Noval, 9 p... EU Common typ...
2144 
1955 DY87 Half-Wave ... Noval, 9 p... EU Common typ... Philips; E...
2145 
1955 E82M Mag. Bar d... Noval, 9 p... Valvo GmbH...
2146 
1955 EAF81 Diode-Pent... Noval, 9 p... Lorenz; Be... Lorenz; Be...
2147 
1955 Memotron Storage Os... Diheptal (... Hughes Air...
2148 
1955 N119 Vacuum Pen... Noval, 9 p...
2149 
1955 PCL82 Triode-Bea... Noval, 9 p... Common typ...
2150 
1955 PL36 Beam Power... Octal (Int... Common typ...
2151 
1955 UL84 Vacuum Pen... Noval, 9 p... Common typ...
2152 
1956 3KP7 Oscillosco... RCA (RCA V...
2153 
1956 3W4 Vacuum Pen... Miniatur-7... Common typ...
2154 
1956 E88CC Double Tri... Noval, 9 p... Common typ...
2155 
1956 EC93 Triode, va... Miniatur-7... Common typ...
2156 
1956 ECL82 Triode-Bea... Noval, 9 p... Common typ...
2157 
1956 EF83 Vacuum Pen... Noval, 9 p... Common typ...
2158 
1956 EL86 Vacuum Pen... Noval, 9 p... Common typ...
2159 
1956 EL95 Beam Power... Miniatur-7... Common typ...
2160 
1956 GK20 Thyratron ... Miniatur-7... Ferranti, GB
2161 
1956 GK50 Thyratron ... Miniatur-7... Ferranti, GB
2162 
1956 PCC88 Double Tri... Noval, 9 p... Common typ...
2163 
1956 PL84 Vacuum Pen... Noval, 9 p... Common typ...
2164 
1956 UBC81 Double Dio... Noval, 9 p... Common typ...
2165 
1956 UBF89 Double Dio... Noval, 9 p... Common typ...
2166 
1956 UCL82 Triode-Pen... Noval, 9 p... Common typ...
2167 
1957 3Z4 Vacuum Pen... Miniatur-7...
2168 
1957 DL68 Vacuum Pen... Subminiatu...
2169 
1957 DL73 Vacuum Pen... Subminiatu... Mullard Ra...
2170 
1957 EBF83 Double Dio... Noval, 9 p... Common typ...
2171 
1957 ECH83 Triode-Hep... Common typ...
2172 
1957 EF97 Vacuum Pen... Miniatur-7... Common typ...
2173 
1957 EF98 Vacuum Pen... Miniatur-7... Common typ...
2174 
1957 EL803S Vacuum Pen... Noval, 9 p... Telefunken...
2175 
1957 EL804 Vacuum Pen... Noval, 9 p... Telefunken...
2176 
1957 EM84 Mag. bar t... Noval, 9 p... Common typ...
2177 
1957 EM840 Mag. bar t... Noval, 9 p... Lorenz; Be...
2178 
1957 EMM801 Mag. Bar d... Noval, 9 p... Telefunken...
2179 
1957 JP9-7D Pulse magn... Mullard Ra...
2180 
1957 PCL84 Triode-Pen... Noval, 9 p... Common typ...
2181 
1957 PY88 Damper, bo... Noval, 9 p... Common typ...
2182 
1957 XY88 Damper, bo... Noval, 9 p...
2183 
1958 3KP16 Television... RCA (RCA V...
2184 
1958 ECC802 Double Tri... Noval, 9 p... CDN Lorenz; Be...
2185 
1958 ECC86 Double Tri... Noval, 9 p...
2186 
1958 ECF83 Triode-Pen... Noval, 9 p... Common typ...
2187 
1958 PC86 Triode, va... Noval, 9 p... Common typ...
2188 
1958 PCF84 Triode-Pen... Noval, 9 p... Common typ...
2189 
1958 PM84 Mag. bar t... Noval, 9 p... Common typ...
2190 
1958 RH7C Triode, va... COAXIAL in... Siemens (&... Siemens (&...
2191 
1959 EC86 Triode, va... Noval, 9 p... Telefunken...
2192 
1959 EL183 Beam Power... Noval, 9 p... Common typ...
2193 
1959 PF86 Vacuum Pen... Common typ...
2194 
1959 ЛН12 Potentialo... SPECIAL TU... Common typ...
2195 
1960 6FN5 Screen-gri...
2196 
1960 6HU8 Double Bea... Noval, 9 p... Lorenz; Be...
2197 
1960 7ES8 Double Tri... Noval, 9 p...
2198 
1960 AW53-89 Television... CRT-TUBE-B... Common typ...
2199 
1960 E702 Storage Os... CRT-TUBE-B... English El...
2200 
1960 EAM86 Mag. bar t... Noval, 9 p... Telefunken...
2201 
1960 ECH84 Triode-Hep... Noval, 9 p... Common typ...
2202 
1960 ECL86 Triode-Bea... Common typ...
2203 
1960 EF183 Vacuum Pen... Noval, 9 p... Common typ...
2204 
1960 EF184 Vacuum Pen... Noval, 9 p... Common typ...
2205 
1960 EL300 Beam Power... Octal (Int... Common typ...
2206 
1960 ELL80 Double Bea... Noval, 9 p... Common typ... Lorenz; Be...
2207 
1960 ESU103 Half-Wave ... UV-Base (4... Ediswan, S...
2208 
1960 LL500 Beam Power... Magnoval (...
2209 
1960 PC96 Triode, va... Miniatur-7... Röhrenwerk...
2210 
1960 PCC189 Double Tri... Noval, 9 p... Common typ...
2211 
1960 PCL86 Triode-Bea... Noval, 9 p... Common typ...
2212 
1960 PL500 Beam Power... Magnoval (... Common typ...
2213 
1960 PLL80 Double Bea... Noval, 9 p... Lorenz; Be...
2214 
1960 XCC189 Double Tri... Noval, 9 p...
2215 
1961 35FN5 Beam Power... Common typ...
2216 
1961 E710 Storage Os... Diheptal (... English El...
2217 
1961 EM84a Mag. bar t... Noval, 9 p... Common typ...
2218 
1961 EM87 Mag. bar t... Noval, 9 p... Common typ...
2219 
1961 PC88 Triode, va... Noval, 9 p... Common typ...
2220 
1961 PCF86 Triode-Pen... Noval, 9 p... Mullard Ra...
2221 
1961 PCL85 Triode-Bea... Noval, 9 p... Common typ...
2222 
1961 PL300 Beam Power... Common typ...
2223 
1961 TG1 Thyratron UX-Base (4... Marconi It...
2224 
1961 TK75 Reflex Kly... Loctal-8, ... Telefunken...
2225 
1962 11E15 Double Tet... Septar (1+... Ediswan, S...
2226 
1962 4ER5 Triode, va...
2227 
1962 4FY5 Triode, va... Miniatur-7...
2228 
1962 E88C Triode, va... Noval, 9 p... Common typ...
2229 
1962 ECH84a Triode-Hep... Common typ...
2230 
1962 PC95 Triode, va... Miniatur-7... Common typ...
2231 
1962 PC97 Triode, va... Miniatur-7... Common typ...
2232 
1962 PCF801 Triode-Pen... Noval, 9 p...
2233 
1962 PCF802 Triode-Pen... Noval, 9 p...
2234 
1962 XC95 Triode, va...
2235 
1962 XC97 Triode, va... Miniatur-7...
2236 
1962 XCC82 Double Tri... Miniatur-7...
2237 
1963 DR-67 X-ray tube Toshiba Co...
2238 
1963 EAF801 Diode-Pent... Noval, 9 p... Common typ...
2239 
1963 ECC808 Double Tri... Noval, 9 p... Common typ...
2240 
1963 ECLL800 Triode+Dou... Noval, 9 p... Lorenz; Be... Lorenz; Be...
2241 
1963 M130/1D Ionisation... Octal (Int... Standard T...
2242 
1963 PC900 Triode, va... Miniatur-7... Common typ...
2243 
1963 PCF803 Triode-Pen... Noval, 9 p...
2244 
1964 9V9 Triode-Hep... Dekal, B10C
2245 
1964 B7S2 Oscillosco... Funkwerk E...
2246 
1964 DY51 Half-Wave ... Subminiatu... EU Common typ... Philips; E...
2247 
1964 ECF801 Triode-Pen... Noval, 9 p... Common typ...
2248 
1964 ED8000 Triode, va... Noval, 9 p... Common typ...
2249 
1964 EL8000 Vacuum Pen... Noval, 9 p... Telefunken...
2250 
1964 EMM803 Mag. bar t... Noval, 9 p... Lorenz; Be... Lorenz; Be...
2251 
1964 F5004 Half-Wave ... Septar (1+... CSF, Compa...
2252 
1964 PCF200 Triode-Pen... Dekal, B10C Common typ...
2253 
1964 PCH200 Triode-Hep... Dekal, B10C Common typ...
2254 
1964 PFL200 Double Pen... Dekal, B10C Common typ...
2255 
1965 EC900 Triode, va... Miniatur-7...
2256 
1965 ECH8000 Triode-Hep... Noval, 9 p... Telefunken...
2257 
1965 EL503 Beam Power... Magnoval (... Common typ...
2258 
1965 PCL200 Triode-Bea... Dekal, B10C Common typ...
2259 
1966 9ED4 Triode, va... Magnoval (...
2260 
1966 ED500 Triode, va... Magnoval (... Common typ...
2261 
1966 PD500 Triode, va... Magnoval (... Common typ...
2262 
1966 PL504 Beam Power... Magnoval (... Common typ...
2263 
1966 PL505 Beam Power... Magnoval (... Common typ...
2264 
1966 PL508 Beam Power... Magnoval (... Common typ...
2265 
1966 PL509 Beam Power... Magnoval (... Common typ...
2266 
1966 PL802 Beam Power... Noval, 9 p... EU Common typ...
2267 
1966 PL805 Beam Power... Noval, 9 p... Common typ...
2268 
1967 DY802 Half-Wave ... Noval, 9 p... Mullard Ra...
2269 
1967 EM800 Mag. bar t... Noval, 9 p... Common typ...
2270 
1968 PCL805 Triode-Bea... Noval, 9 p... Common typ...
2271 
1969 ZM1200-Pandicon Numerals- ... CRT-TUBE-B... Valvo GmbH... Philips; E...
2272 
1970 B_CRT CRT (catho... Europe 4-P... Ediswan, S... Ediswan, S...
2273 
1970 PL519 Beam Power... Magnoval (... Common typ...
2274 
1978 05065-6001-rubidium Counter / ... Hewlett-Pa... Hewlett-Pa...
2275 
1983 R_Replica Triode, va... Europe 4-P... Nachbau un...
2276 
1985 RE11_Replica Triode, va... Telefunken...
2277 
1985 RE71_Replica Triode, va... Europe 4-P...
2278 
1989 TM_Replica Triode, va... Europe 4-P...
2279 
1990 RE83_Replica Triode, va... Telefunken... Homebrew -...
2280 
1990 RE89_Replica Triode, va... Europe 4-P... Homebrew -...
2281 
1994 Marconi_II_Vaic Triode, va... Europe 4-P... Vaic, Ing....
2282 
2008 EL84-T_G3-separated Vacuum Pen... Noval, 9 p... JJ Electro...
2283 
2025 CL254 Triode, va... Europe 4-P... CH Métal; Fra...

 
  

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