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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.
2201 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 
1915 102A Triode, va... UV-Base (4... Western El... Western El...
27 
1915 AudioTron TRIODE (De... Wires USA Cunningham... Cunningham...
28 
1915 D_Marconi Triode, va... Edison (ca... Marconi Wi...
29 
1915 L_Western Triode, va... UV-Base (4... Western El... Western El...
30 
1915 Messerkontaktröhre TRIODE (De... Blade cont... D UNBEKANNTE...
31 
1915 Moorhead_1 Gas Triode Wires Moorhead L... Moorhead L...
32 
1915 Sch86 Screen-gri... SPECIAL TU... Siemens (&...
33 
1915 TM Triode, va... Europe 4-P... Common typ...
34 
1915 V_Western Triode, va... UV-Base (4... Western El... Western El...
35 
1916 A_Siemens Triode, va... Blade cont... D Siemens (&... Siemens (&...
36 
1916 Bontsch-Brujewitsch Gas Triode Swan-Bajon... Tversk St... Tversk St...
37 
1916 ER_Moorhead Gas Triode UV-Base (4... Moorhead L... Moorhead L...
38 
1916 ES1_Ediswan Triode, va... Europe 4-P... Ediswan, S...
39 
1916 EVN171 Triode, va... Telefunken... CDN Telefunken...
40 
1916 Moorhead_Ext_Grid Gas Triode Wires Moorhead L... Moorhead L...
41 
1916 Q_Marconi Triode, va... Soffit Marconi's ...
42 
1916 R_England Triode, va... Europe 4-P... GB Common typ... BTH (B.T.H...
43 
1916 V24 Triode, va... SPECIAL TU... Marconi's ... Ediswan, S...
44 
1916 White-valve Triode, va... Swan-Bajon...
45 
1917 AUDION_Japan Gas Triode Tokyo Elec... Tokyo Elec...
46 
1917 A_BTH Triode, va... Europe 4-P... BTH (B.T.H...
47 
1917 CA_Pliotron Triode, va... UV-Base (4... General El... General El...
48 
1917 CF-185 Triode, va... SPECIAL TU... DeForest-T... DeForest-T...
49 
1917 CW-186 Triode, va... SPECIAL TU... Western El... Western El...
50 
1917 CW-933 Triode, va... UV-Base (4... Western El... Western El...
51 
1917 ER_Moorhead-1917 Gas Triode Wires Moorhead L... Moorhead L...
52 
1917 ER_Moorhead-Edison Gas Triode Edison (ca... Moorhead L... Moorhead L...
53 
1917 EVE173 Triode, va... Telefunken... D Telefunken... Telefunken...
54 
1917 Gorizia Gas Triode Europe 4-P... Longoni, G... Majorana, ...
55 
1917 Holland Gas Triode Edison med... NL Holland (t... Holland (t...
56 
1917 K6 Triode, va... D AEG (Radio...
57 
1917 M_Schott TRIODE (De... Telefunken... D Schott und... Schott und...
58 
1917 Mc Triode, va... Blade cont... D Siemens (&...
59 
1917 NT1 Transmitti... A Osram-Valv...
60 
1917 RE16 Triode, va... Telefunken... CDN Telefunken...
61 
1917 RS15_Huth Transmitti... SPECIAL TU... Huth, Sign... Huth, Sign...
62 
1917 RS30 Transmitti... Huth, Sign...
63 
1917 R_Moorhead Triode, va... Europe 4-P... Moorhead L...
64 
1917 SSI Screen-gri... Telefunken... Siemens (&...
65 
1917 SSII Screen-gri... EU-Telepho... Siemens (&...
66 
1917 SSIII Screen-gri... EU-Telepho... Siemens (&...
67 
1917 SSI_G5K Screen-gri... EU-Telepho... Siemens (&...
68 
1917 S_deForest Triode, va... Edison (ca... DeForest-T...
69 
1917 T1 Transmitti... Marconi-Os... Marconi-Os...
70 
1917 T2A Transmitti... Wires Osram-Valv... Osram-Valv...
71 
1917 T3_Osram Transmitti... Wires Osram-Valv... Osram-Valv...
72 
1917 VT-1 Triode, va... UV-Base (4... Western El... Western El...
73 
1917 VT-21 Triode, va... UY-Base, 5... DeForest-T... DeForest-T...
74 
1918 B_BTH Triode, va... Europe 4-P... BTH (B.T.H...
75 
1918 CG-1144 Transmitti... Jumbo 4-pi... General El... General El...
76 
1918 CG-1162 Triode, va... UV-Base (4... General El... General El...
77 
1918 CG-886 Triode, va... SPECIAL TU... General El... General El...
78 
1918 CG-890 Triode, va... UV-Base (4... General El... General El...
79 
1918 CG-916 Transmitti... Pin-and-bl... General El... General El...
80 
1918 C_Osram Triode, va... IS-1 (Inte... Osram-Valv... Osram-Valv...
81 
1918 G_Pliotron Triode, va... General El... General El...
82 
1918 Gleichrichter_gross Full-Wave ... Edison big... D Telefunken...
83 
1918 Gleichrichter_klein Gas Rectif... Edison big... D Telefunken...
84 
1918 Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
85 
1918 MSI Transmitti... CHF Müller...
86 
1918 MSII Transmitti... TRANSMITTI... CHF Müller...
87 
1918 O_Western Triode, va... UV-Base (4... Western El... Western El...
88 
1918 R2A Gas Triode Europe 4-P... Osram-Valv... Osram-Valv...
89 
1918 RE11 Triode, va... Telefunken... CDN Telefunken...
90 
1918 RE11S Triode, va... Telefunken... Telefunken...
91 
1918 RS1 Transmitti... TRANSMITTI... Telefunken...
92 
1918 RS12 Transmitti... 4-socket G... Telefunken... Telefunken...
93 
1918 RS17 Transmitti... TRANSMITTI... Telefunken...
94 
1918 RS2_Telefunken Transmitti... Telefunken...
95 
1918 RS3_Telefunken Transmitti... Telefunken...
96 
1918 RS4_Telefunken Transmitti... Telefunken... CDN Telefunken...
97 
1918 RS5 Transmitti... SPECIAL TU... CDN Telefunken...
98 
1918 SE-1444_Moorhead Triode, va... UV-Base (4... Moorhead L... Moorhead L...
99 
1918 ST12 Triode, va... CDN TeKaDe (TK...
100 
1918 T4 Transmitti... Jumbo 4-pi...
101 
1918 T4A Transmitti... Wires Osram-Valv... Osram-Valv...
102 
1918 U1_Osram Half-Wave ... Wires Osram-Valv... Osram-Valv...
103 
1918 U2_Osram Half-Wave ... Wires Osram-Valv... Osram-Valv...
104 
1918 VT-16 Triode, va... UV-Base (4... General El... General El...
105 
1918 VT-2 Transmitti... UV-Base (4... MEX Common typ... Western El...
106 
1918 VT32_Moorhead Triode, va... Europe 4-P... Moorhead L... Moorhead L...
107 
1919 212D Transmitti... Large 4 pi... A Western El... Western El...
108 
1919 215A Triode, va... Peanut (WE... ROK Western El... Western El...
109 
1919 A_Donle Gas Triode Connecticu...
110 
1919 A_Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
111 
1919 A_Moorhead-spherical Triode, va... UV-Base (4... Moorhead L... Moorhead L...
112 
1919 A_Philips Gas Triode Edison med... Philips; E... Philips; E...
113 
1919 B_Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
114 
1919 B_Moorhead-Europe Gas Triode Europe 4-P... Moorhead L...
115 
1919 B_Moorhead-Shaw Gas Triode UV-Base (4... Moorhead L... Moorhead L...
116 
1919 B_Philips Gas Triode Edison med... Philips; E... Philips; E...
117 
1919 C-I_Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
118 
1919 CW-1344 Triode, va... SPECIAL TU... Common typ... Western El...
119 
1919 CW-38015 Triode, va... Peanut (WE... Western El... Western El...
120 
1919 CW1344 Triode, va... Peanut (WE... Western El... Western El...
121 
1919 C_Donle Gas Triode UV-Base (4... Connecticu...
122 
1919 C_Moorhead Triode, va... UV-Base (4... Moorhead L... Moorhead L...
123 
1919 C_Philips Gas Triode Edison med... Philips; E... Philips; E...
124 
1919 D_Moorhead Gas Triode Wires Moorhead L...
125 
1919 E_Moorhead Triode, va... Europe 4-P... Moorhead L...
126 
1919 F_Moorhead Gas Triode Europe 4-P... Moorhead L...
127 
1919 G_Moorhead Triode, va... Europe 4-P... Moorhead L... Moorhead L...
128 
1919 MT1_Ediswan Transmitti... Ediswan, S... Marconi's ...
129 
1919 MT1_MOV Transmitti... Wires Marconi-Os... Marconi's ...
130 
1919 MT2 Transmitti... TRANSMITTI... Ediswan, S... Marconi's ...
131 
1919 MT2C Transmitti... TRANSMITTI... Ediswan, S... Marconi's ...
132 
1919 MT3 Transmitti... TRANSMITTI... Ediswan, S... Marconi's ...
133 
1919 MT3F Transmitti... TRANSMITTI... Ediswan, S... Marconi's ...
134 
1919 MT4 Transmitti... Wires Ediswan, S... Marconi's ...
135 
1919 MT4_var Transmitti... Ediswan, S... Marconi's ...
136 
1919 MT5B Transmitti... TRANSMITTI... Ediswan, S... Marconi's ...
137 
1919 MT6 Transmitti... TRANSMITTI... Ediswan, S... Marconi's ...
138 
1919 PR1 Triode, va... Europe 4-P... Tversk St... Tversk St...
139 
1919 R4C Triode, va... Europe 4-P... GEC, Gener...
140 
1919 T5 Transmitti... Edison (ca... Osram-Valv... Osram-Valv...
141 
1919 TypeA LOCKED OFF... UV-Base (4... Moorhead L... Moorhead L...
142 
1919 VT-5 Triode, va... Peanut (WE... Western El... Western El...
143 
1919 VT-Class-I Gas Triode UV-Base (4... Marconi Wi... Moorhead L...
144 
1919 VT-Class-II Triode, va... UV-Base (4... Marconi Wi... Moorhead L...
145 
1920 1D Transmitti... Pin-and-bl... DeForest-T... DeForest-T...
146 
1920 1G Transmitti... Pin-and-bl... DeForest-T... DeForest-T...
147 
1920 1J Transmitti... Pin-and-bl... DeForest-T... DeForest-T...
148 
1920 1K Transmitti... Pin-and-bl... DeForest-T... DeForest-T...
149 
1920 A-P_Oscillator Triode, va... UV-Base (4... Moorhead L... Moorhead L...
150 
1920 A-P_Relais Triode, va... Moorhead L...
151 
1920 A-P_Transmitter Triode, va... UV-Base (4... Moorhead L...
152 
1920 C-300 LOCKED OFF... UV-Base (4...
153 
1920 C-302 LOCKED OFF... UV-Base (4... Cunningham...
154 
1920 FE1_MO Screen-gri... SPECIAL TU... Marconi's ...
155 
1920 G_Western Transmitti... Jumbo 4-pi... Western El... Western El...
156 
1920 K_Mul Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
157 
1920 LVB Gas Triode Edison med... Heussen, M... Heussen, M...
158 
1920 Neuvron-A Transmitti... Métal; Fra...
159 
1920 R7 Triode, va... IS-1 (Inte... Mullard Ra...
160 
1920 RAC3 Triode, va... SPECIAL TU... Radio Audi... Radio Lamp...
161 
1920 UV200 Gas Triode UV-Base (4... General El... General El...
162 
1920 UV201 Triode, va... UV-Base (4... General El... General El...
163 
1921 211A Transmitti... Jumbo 4-pi... Western El... Western El...
164 
1921 A-P_Rectifier Half-Wave ... UV-Base (4... Moorhead L...
165 
1921 CW-1818 Transmitti... Jumbo 4-pi... Western El... Western El...
166 
1921 ES2_Ediswan Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
167 
1921 ES4 Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
168 
1921 I-T-E-V Triode, va... Europe 4-P...
169 
1921 J-117-Connecticut Gas Triode No base Connecticu... Connecticu...
170 
1921 LT1 Triode, va... Europe 4-P... GB MO Valve C...
171 
1921 Q_Philips Space Char... Europe 4-P... Philips; E... Philips; E...
172 
1921 RMR Triode, va...
173 
1921 R_Radiotech Transmitti... La Radiote...
174 
1921 UV202 Transmitti... UV-Base (4... RCA (RCA V... General El...
175 
1921 UV203 Transmitti... Jumbo 4-pi... RCA (RCA V... General El...
176 
1921 UV204_spherical Transmitti... Pin-and-bl... ROK General El... General El...
177 
1921 UV216 Half-Wave ... UV-Base (4... General El... General El...
178 
1922 101DW Triode, va... UV-Base (4... Western El... Western El...
179 
1922 102DW Triode, va... UV-Base (4... Western El... Western El...
180 
1922 104DW Triode, va... UV-Base (4... Western El... Western El...
181 
1922 214A High-vacuu... Jumbo 4-pi... Western El... Western El...
182 
1922 216A Triode, va... UV-Base (4... Western El... Western El...
183 
1922 223A Triode, va... UV-Base (4... Western El...
184 
1922 AR_HF Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
185 
1922 AT25 Transmitti... Europe 4-P... Marconi-Os...
186 
1922 AT40 Transmitti... Europe 4-P... Marconi-Os...
187 
1922 B-I TRIODE (De... Europe 4-P... Philips; E...
188 
1922 B-II Triode, va... Europe 4-P... Philips; E... Philips; E...
189 
1922 B-III TRIODE (De... Europe 4-P... Philips; E...
190 
1922 C-I Gas Triode Edison med... Philips; E... Philips; E...
191 
1922 C-II_Ideezet Triode, va... Edison, si... Ideezet tu... Philips; E...
192 
1922 Donle-Detector Gas Triode Connecticu...
193 
1922 ERECT High-vacuu... Wires Marconi-Os...
194 
1922 F_Philips Triode, va... Europe 4-P... Philips; E... Philips; E...
195 
1922 MR4_MOV Half-Wave ... Wires MO Valve C... Osram-Valv...
196 
1922 MT7A Transmitti... TRANSMITTI... Osram-Valv... Marconi's ...
197 
1922 MT7B Transmitti... Wires Osram-Valv... Marconi's ...
198 
1922 ORA Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
199 
1922 ORA-A Triode, va... Europe 4-P... Mullard Ra...
200 
1922 R4B_BTH Triode, va... Europe 4-P... BTH (B.T.H...
201 
1922 RAC LOCKED OFF... MO Valve C...
202 
1922 R_Marconi Triode, va... Europe 4-P... MO Valve C...
203 
1922 T250_MO Transmitti... Wires MO Valve C...
204 
1922 T30_MO Transmitti... Europe 4-P... MO Valve C...
205 
1922 UV199 Triode, va... UV199 ROK Common typ... General El...
206 
1922 UV201A Triode, va... UV-Base (4... General El... General El...
207 
1922 VE Space Char... Europe 4-P... Heussen, M... Heussen, M...
208 
1922 WB800 Current Re... Westinghou... Westinghou...
209 
1922 WD11 Triode, va... WD-base ROK Westinghou... Westinghou...
210 
1922 WR21 Triode, va... Europe 4-P... Westinghou... Westinghou...
211 
1922 X-ray_Philips X-ray tube SPECIAL TU... Philips; E... Philips; E...
212 
1923 212A Transmitti... Large 4 pi... ROK Western El... Western El...
213 
1923 219A High-vacuu... Large 4 pi... Western El... Western El...
214 
1923 4215A Triode, va... SPECIAL TU... A Standard T...
215 
1923 A-P_Solenoid TRIODE (De... UV-Base (4... Moorhead L...
216 
1923 AR23 Triode, va... Europe 4-P... CDN Loewe-(Opt...
217 
1923 ARDE Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
218 
1923 ARDE_HF Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
219 
1923 ARDE_LF Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
220 
1923 B2_BTH Triode, va... Europe 4-P... BTH (B.T.H...
221 
1923 B4H Triode, va... Europe 4-P... BTH (B.T.H...
222 
1923 B5H Triode, va... Europe 4-P... BTH (B.T.H...
223 
1923 CW-1819 Transmitti... Large 4 pi... Western El... Western El...
224 
1923 D-VI Space Char... Europe 4-P... NL Philips; E... Philips; E...
225 
1923 DE2_Ediswan Triode, va... Ediswan, S...
226 
1923 DV1_1volt Triode, va... UV-Base (4... DeForest-T... DeForest-T...
227 
1923 DV2 Triode, va... UV-Base (4... DeForest-T... General El...
228 
1923 DV6A Triode, va... UV-Base (4... DeForest-T... DeForest-T...
229 
1923 E52 Transmitti... Europe 4-P... La Radiote...
230 
1923 E_SFR Triode, va... Europe 4-P... SFR (S.F.R...
231 
1923 LE229 TRIODE (De... Huth, Sign...
232 
1923 LF_double_green_D3 Triode, va... Europe 4-P... Mullard Ra...
233 
1923 LS3_MO Triode, va... Europe 4-P... Marconi-Os...
234 
1923 LS5 Triode, va... Europe 4-P... A Marconi-Os...
235 
1923 LV0,1/50 Triode, va... Telefunken... Lorenz; Be...
236 
1923 ORA-B Triode, va... IS-1 (Inte... Mullard Ra...
237 
1923 PA1_Mullard Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
238 
1923 PA2_Mullard Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
239 
1923 R3_RT Triode, va... Europe 4-P... La Radiote...
240 
1923 RA_Mullard Triode, va... Europe 4-P... Mullard Ra...
241 
1923 RE48 TRIODE (De... CDN Telefunken...
242 
1923 RT Transmitti... Dario (tub...
243 
1923 Radio-Secteur Triode, va... Europe 4-P... Métal; Fra... Métal; Fra...
244 
1923 Sodion_S11 Gas Triode UV-Base (4... Connecticu... Connecticu...
245 
1923 Sodion_S13 Gas Triode SPECIAL TU... Connecticu... Connecticu...
246 
1923 UV203A Transmitti... Jumbo 4-pi... General El... General El...
247 
1923 UV213 Full-Wave ... UV-Base (4... General El... General El...
248 
1923 VT-6 Transmitti... Large 4 pi... ROK Western El... Western El...
249 
1923 WD12 Triode, va... UV-Base (4... ROK RCA (RCA V... Westinghou...
250 
1924 1-VOLT-ORA Triode, va... Mullard Ra...
251 
1924 205D Triode, va... UV-Base (4... Western El... Western El...
252 
1924 209_Marine Triode, va... Europe 4-P... Grammont (...
253 
1924 211D Transmitti... Jumbo 4-pi... Western El... Western El...
254 
1924 6/100 Triode, va... Europe 4-P... Métal; Fra... Métal; Fra...
255 
1924 A1 Triode, va... Microlux, ...
256 
1924 A441 Space Char... Europe 4-P... NL Philips; E... Philips; E...
257 
1924 A_Magnavox Triode, va... Magnavox C...
258 
1924 B406 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
259 
1924 B8 Triode, va... Europe 4-P... BTH (B.T.H...
260 
1924 C2_Microlux Triode, va... Microlux, ...
261 
1924 C3_Microlux Triode, va... Europe 4-P... Microlux, ...
262 
1924 CW-1818A Transmitti... Jumbo 4-pi... Western El... Western El...
263 
1924 D-21_Sodion Gas Triode UV-Base (4... Connecticu...
264 
1924 DE11 Triode, va... Europe 4-P... Metropolit...
265 
1924 DE5_Marconi Triode, va... Europe 4-P... MO Valve C... Marconi-Os...
266 
1924 DF-ORA Triode, va... Europe 4-P... Mullard Ra...
267 
1924 DFA1 Triode, va... Europe 4-P... Mullard Ra...
268 
1924 DG_Mullard Space Char... Europe 4-P... Mullard Ra...
269 
1924 DR2_Ediswan Triode, va... Europe 4-P... Ediswan, S...
270 
1924 DV2_Del-Vecchio Transmitti... Europe 4-P... Del Vecchi...
271 
1924 GF Triode, va... Europe 4-P... Métal; Fra...
272 
1924 HE4 Triode, va... Europe 4-P...
273 
1924 HE6 Triode, va... Europe 4-P...
274 
1924 K1_Thorpe Triode, va... Europe 4-P... Thorpe Rad... Thorpe Rad...
275 
1924 LA74 Triode, va... Europe 4-P... CDN Loewe-(Opt...
276 
1924 LA75 Triode, va... Europe 4-P... CDN Loewe-(Opt...
277 
1924 LE244 Triode, va... Europe 4-P... D Huth, Sign...
278 
1924 LF-ORA Triode, va... Europe 4-P... Mullard Ra...
279 
1924 LF_green Triode, va... Europe 4-P... Mullard Ra...
280 
1924 LSS_Triotron Triode, va... Europe 4-P... Triotron (... Triotron (...
281 
1924 ONE-VOLT-ORA Triode, va... Europe 4-P... Mullard Ra...
282 
1924 PV2_Ediswan Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
283 
1924 R15 Triode, va... Europe 4-P... CH La Radiote...
284 
1924 R24 Triode, va... Europe 4-P... NL La Radiote...
285 
1924 R29 Triode, va... Europe 4-P... Dario (tub...
286 
1924 R31 Triode, va... Europe 4-P... CH La Radiote...
287 
1924 R36 Triode, va... Europe 4-P... CH La Radiote...
288 
1924 RE71 Triode, va... Europe 4-P... CDN Telefunken...
289 
1924 RE72 Triode, va... Telefunken... CDN Telefunken...
290 
1924 RE75 TRIODE (De... Europe 4-P... CDN Telefunken...
291 
1924 RE78 Triode, va... Telefunken... CDN Telefunken...
292 
1924 RE79 Triode, va... Europe 4-P... CDN Telefunken...
293 
1924 RE82 Space Char... EU-Telepho... CDN Telefunken...
294 
1924 RE83 Triode, va... Telefunken... CDN Telefunken...
295 
1924 RE84 Triode, va... Telefunken... CDN Telefunken... Siemens (&...
296 
1924 RE86 Triode, va... Telefunken... CDN Telefunken...
297 
1924 RE87 Space Char... Telefunken... CDN Telefunken...
298 
1924 RE88 Triode, va... UV-Base (4... CDN Telefunken...
299 
1924 RE89 Triode, va... Europe 4-P... CDN Telefunken...
300 
1924 RE96 Triode, va... Europe 4-P... CDN Telefunken...
301 
1924 RE97 Triode, va... Telefunken... CDN Telefunken...
302 
1924 R_Penton Triode, va... Europe 4-P...
303 
1924 SS_Triotron Triode, va... Europe 4-P... Triotron (...
304 
1924 Sodion_S14 Gas Triode UV-Base (4... Connecticu... Connecticu...
305 
1924 U110 Gas Triode Europe 4-P... D Radioröhre... Radioröhre...
306 
1924 U220 Gas Triode D Radioröhre...
307 
1924 U30 High-vacuu... British-7-... A MO Valve C...
308 
1924 UV210 Triode, va... UV-Base (4... General El... General El...
309 
1924 VO LOCKED OFF... Europe 4-P... Grammont (... Grammont (...
310 
1925 0.06_Louden Triode, va... Louden Val...
311 
1925 01A Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
312 
1925 10 Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
313 
1925 1018 Half-Wave ... SPECIAL TU... NL Philips; E... Philips; E...
314 
1925 201A Triode, va... UX-Base (4... ROK Common typ... General El...
315 
1925 210_UX-Triode Triode, va... UX-Base (4... Common typ... General El...
316 
1925 230D Triode, va... SPECIAL TU... Western El...
317 
1925 373 Half-Wave ... Europe 3-P... NL Philips; E...
318 
1925 99 Triode, va... UV199 ROK Common typ... General El...
319 
1925 A109 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
320 
1925 A115 TRIODE (De... Europe 4-P... NL Philips; E... Philips; E...
321 
1925 A141 Space Char... Europe 4-P... Philips; E... Philips; E...
322 
1925 A206 Triode, va... Europe 4-P... NL Valvo GmbH... Philips; E...
323 
1925 A209 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
324 
1925 A241 Space Char... Europe 4-P... NL Philips; E... Philips; E...
325 
1925 A341 Space Char... Europe 4-P... Philips; E... Philips; E...
326 
1925 A409 Triode, va... Europe 4-P... CDN Philips; E... Philips; E...
327 
1925 A410_Valvo Triode, va... Europe 4-P... D Valvo GmbH...
328 
1925 A415 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
329 
1925 A45 Triode, va... Europe 4-P... Metropolit...
330 
1925 AX201A Triode, va... UX-Base (4... Airline, S... GEC, Gener...
331 
1925 A_UX-base Triode, va... UX-Base (4... Common typ...
332 
1925 B105 Triode, va... Europe 4-P... NL Philips; E...
333 
1925 B403 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
334 
1925 B404 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
335 
1925 B405 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
336 
1925 B409 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
337 
1925 B415 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
338 
1925 B415_Gruenberger Triode, va... Europe 4-P... Grünberger...
339 
1925 BH Full-Wave ... UX-Base (4... ROK Raytheon M... Raytheon M...
340 
1925 B_CeCo Triode, va... UX-Base (4... CeCo (tube... General El...
341 
1925 Bigrille-Ampli Space Char... French Big... CH Grammont (...
342 
1925 C109 Triode, va... Europe 4-P... NL Philips; E...
343 
1925 CL172 Triode, va... Europe 4-P... Métal; Fra...
344 
1925 CX112 Triode, va... UX-Base (4... Cunningham... Westinghou...
345 
1925 CX301A Triode, va... UX-Base (4... ROK Cunningham... General El...
346 
1925 C_CeCo Triode, va... UV-Base (4... CeCo (tube... General El...
347 
1925 D105 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
348 
1925 DE3B Triode, va... Europe 4-P... MO Valve C...
349 
1925 DV3A Triode, va... UV199 DeForest-T...
350 
1925 DV5 Triode, va... UV-Base (4... DeForest-T... DeForest-T...
351 
1925 Dex235 Triode, va... Europe 4-P... Economic E... Economic E...
352 
1925 Dex240 Triode, va... Europe 4-P... Economic E... Economic E...
353 
1925 Dex306 Triode, va... Europe 4-P... Economic E... Economic E...
354 
1925 Dex530 Triode, va... Europe 4-P... Economic E... Economic E...
355 
1925 FE1_Louden Triode, va... Europe 4-P... Louden Val... Louden Val...
356 
1925 FE2_Louden Triode, va... Europe 4-P... Louden Val... Louden Val...
357 
1925 FE3_MO Space Char... Europe 4-P... Marconi-Os...
358 
1925 FER1_4Volt Triode, va... Europe 4-P... Louden Val... Louden Val...
359 
1925 FER2_4Volt Triode, va... Europe 4-P... Louden Val... Louden Val...
360 
1925 HF_Fotos Triode, va... Grammont (...
361 
1925 HL512 Triode, va... Europe 4-P... Burndept L... Burndept L...
362 
1925 HL565 Triode, va... Europe 4-P... Burndept L... Burndept L...
363 
1925 K4_Thorpe Space Char... SPECIAL TU... Thorpe Rad...
364 
1925 K_Schott Triode, va... Telefunken... Schott und... Schott und...
365 
1925 L06 LOCKED OFF... Lorenz; Be...
366 
1925 L09 LOCKED OFF... Lorenz; Be...
367 
1925 LA101 Triode, va... Europe 4-P... CDN Loewe-(Opt...
368 
1925 LO0,1/50 Triode, va... Lorenz; Be...
369 
1925 LO6 Triode, va... Lorenz; Be...
370 
1925 LO9 Triode, va... Lorenz; Be...
371 
1925 LS1_MO Triode, va... Europe 4-P... MO Valve C...
372 
1925 LS2_MO Triode, va... Europe 4-P... Mullard Ra...
373 
1925 LV0,27/90 Triode, va... Telefunken... Lorenz; Be...
374 
1925 LV3,5/220 Triode, va... Lorenz; Be...
375 
1925 MOG TRIODE (De... Lorenz; Be...
376 
1925 Micro-Bigril Dual-Grid ... French Big... La Radiote... Dario (tub...
377 
1925 Micro-Bigril_R43 Dual-Grid ... French Big... La Radiote... Dario (tub...
378 
1925 PM4 Triode, va... Europe 4-P... A Mullard Ra...
379 
1925 PV8DE Triode, va... Europe 4-P... Ediswan, S...
380 
1925 Pyramid-1 Triode, va... Europe 4-P... Radions Lt...
381 
1925 Pyramid-2 Triode, va... Europe 4-P... Radions Lt...
382 
1925 R43 Dual-Grid ... French Big... CH La Radiote...
383 
1925 R5V Triode, va... Europe 4-P... MO Valve C...
384 
1925 RE061 Triode, va... Europe 4-P... CDN Telefunken...
385 
1925 RE202 TRIODE (De... SPECIAL TU... CDN Telefunken...
386 
1925 RE205 Triode, va... UV-Base (4... CDN Telefunken... Telefunken...
387 
1925 RE209 Triode, va... Europe 4-P... CDN Telefunken...
388 
1925 RE212 Space Char... Europe 4-P... CDN Telefunken...
389 
1925 RE216 Screen-gri... CDN Telefunken...
390 
1925 RE81 TRIODE (De... CDN Telefunken...
391 
1925 RE95 Triode, va... Europe 4-P... CDN Telefunken...
392 
1925 Reflex Triode, va... Europe 4-P... CDN Radioröhre...
393 
1925 SP18 Triode, va... Europe 4-P... Metropolit... Metropolit...
394 
1925 SP18/G Triode, va... Europe 4-P... Metropolit...
395 
1925 SP18/R Triode, va... Europe 4-P... Metropolit... Metropolit...
396 
1925 SP18/RR Triode, va... Europe 4-P... Metropolit... Metropolit...
397 
1925 SP55/B Triode, va... Europe 4-P... Metropolit... Metropolit...
398 
1925 SX201A Triode, va... UX-Base (4... Sylvania (... GEC, Gener...
399 
1925 Telotron Triode, va... Europe 4-P... CDN Radioröhre...
400 
1925 U60 Gas Triode D Radioröhre...
401 
1925 UL550 Gas Triode Europe 4-P... D Radioröhre... Radioröhre...
402 
1925 UV196 Full-Wave ... UV-Base (4... Westinghou... Westinghou...
403 
1925 UV216A Half-Wave ... UV-Base (4... General El... General El...
404 
1925 UV216B Half-Wave ... UV-Base (4... General El... General El...
405 
1925 UX-199_code9 LOCKED OFF... UX-Base (4... Common typ...
406 
1925 UX-201-A_Japan Triode, va... UX-Base (4... Cymotron サ... GEC, Gener...
407 
1925 UX112 Triode, va... UX-Base (4... Common typ... Westinghou...
408 
1925 UX171 Triode, va... UX-Base (4... ROK Common typ... General El...
409 
1925 UX199 Triode, va... UX-Base (4... ROK General El... General El...
410 
1925 UX200 Gas Triode UX-Base (4... Common typ... General El...
411 
1925 UX201A Triode, va... UX-Base (4... ROK Common typ... General El...
412 
1925 UX210 Triode, va... UX-Base (4... GB General El... General El...
413 
1925 UX213 Full-Wave ... UX-Base (4... ROK General El... General El...
414 
1925 UX216B Half-Wave ... UX-Base (4... ROK Common typ... General El...
415 
1925 VT-107 Beam Power... Octal (Int... Common typ...
416 
1925 VT105_TKD Triode, va... Europe 4-P... TeKaDe (TK...
417 
1925 VT107_TKD Triode, va... Europe 4-P... ROK TeKaDe (TK...
418 
1925 VT110_TKD Triode, va... Europe 4-P... CDN TeKaDe (TK...
419 
1925 W1_Cossor Triode, va... Europe 4-P... Cossor, A.... Cossor, A....
420 
1925 W3_Cossor Triode, va... Europe 4-P... Cossor, A.... Cossor, A....
421 
1925 WR LOCKED OFF... Cossor, A....
422 
1925 WR1 Triode, va... Europe 4-P... Cossor, A.... Cossor, A....
423 
1925 WR2 Triode, va... Europe 4-P... Cossor, A.... Cossor, A....
424 
1925 WX12 Triode, va... UX-Base (4... ROK RCA (RCA V... Westinghou...
425 
1925 ZGII Half-Wave ... Philips; E...
426 
1926 210HL_Cossor Triode, va... Europe 4-P... Cossor, A.... Cossor, A....
427 
1926 214D High-vacuu... Western El...
428 
1926 219D High-vacuu... Large 4 pi... Western El... Western El...
429 
1926 221D Triode, va... UV-Base (4... Western El... RCA (RCA V...
430 
1926 235D Triode, va... UX-Base (4... Western El... RCA (RCA V...
431 
1926 2HF MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
432 
1926 3NF MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt...
433 
1926 401_McCullough Triode, va... UX-Base (4... ROK Common typ... McCullough...
434 
1926 451 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
435 
1926 452 Current Re... Europe 3-P... NL Philips; E... Philips; E...
436 
1926 525B Triode, va... Europe 4-P... Radions Lt...
437 
1926 525D TRIODE (De... Europe 4-P... Radions Lt...
438 
1926 525H TRIODE (De... Europe 4-P... Radions Lt...
439 
1926 71 Triode, va... UX-Base (4... ZA Common typ...
440 
1926 71A Triode, va... UX-Base (4... ROK Common typ...
441 
1926 A10 Triode, va... Europe 4-P... D Kremenezky...
442 
1926 A225 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
443 
1926 A2_Radion Triode, va... Europe 4-P... Radions Lt...
444 
1926 A408 Triode, va... Europe 4-P... CDN Valvo GmbH...
445 
1926 A425 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
446 
1926 A609 Triode, va... Europe 4-P... Philips; E... Philips; E...
447 
1926 A_Nelson Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
448 
1926 A_Radion Triode, va... Radions Lt...
449 
1926 B203 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
450 
1926 B205 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
451 
1926 B605 Triode, va... UX-Base (4... Philips; E... Philips; E...
452 
1926 B6_Donle Gas Triode UX-Base (4... Donle-Bris... Donle-Bris...
453 
1926 DE06HF Triode, va... Europe 4-P... Radions Lt...
454 
1926 DE06_Nelson Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
455 
1926 DE06_Radion Triode, va... Europe 4-P... Radions Lt... Radions Lt...
456 
1926 DE2_Nelson Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
457 
1926 DE34 Triode, va... Europe 4-P... Radions Lt...
458 
1926 DE34HF Triode, va... Europe 4-P... Radions Lt... Radions Lt...
459 
1926 DEA Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
460 
1926 DL2_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
461 
1926 DL4_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
462 
1926 DL5 Triode, va... UX-Base (4... DeForest-T... DeForest-T...
463 
1926 DL7_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
464 
1926 DX502 Triode, va... Europe 4-P... CH Métal; Fra...
465 
1926 D_CeCo Half-Wave ... UV-Base (4... CeCo (tube... CeCo (tube...
466 
1926 Dex312 Triode, va... Europe 4-P... Economic E...
467 
1926 Dex376 Triode, va... Europe 4-P... Economic E...
468 
1926 Dex406 Triode, va... Europe 4-P... Economic E... Economic E...
469 
1926 Dex412 Triode, va... Europe 4-P... Economic E... Economic E...
470 
1926 Dex440 Triode, va... Europe 4-P... Economic E... Economic E...
471 
1926 E_CeCo Triode, va... UX-Base (4... CeCo (tube... General El...
472 
1926 F704 Triode, va... Europe 4-P... NL Philips; E...
473 
1926 F_CeCo Triode, va... UX-Base (4... CeCo (tube... Westinghou...
474 
1926 GP Triode, va... Europe 4-P... Radions Lt... Radions Lt...
475 
1926 G_CeCo Triode, va... UX-Base (4... CeCo (tube... General El...
476 
1926 H406 Triode, va... Europe 4-P... CDN Valvo GmbH...
477 
1926 H406_Neutron Triode, va... Europe 4-P... Neutron Lt...
478 
1926 HR High-vacuu... Wires DeForest-T... DeForest-T...
479 
1926 H_CeCo Gas Triode UX-Base (4... CeCo (tube... General El...
480 
1926 H_DeForest Transmitti... Wires DeForest-T... DeForest-T...
481 
1926 I_Western Transmitti... Wires Western El... Western El...
482 
1926 J71 Triode, va... UX-Base (4... CeCo (tube... General El...
483 
1926 Multivalve Triple Tri... SPECIAL TU... Emerson Ra... Cleartron ...
484 
1926 PM2 Triode, va... Europe 4-P... A Mullard Ra...
485 
1926 PO Transmitti... SPECIAL TU... DeForest-T... DeForest-T...
486 
1926 PR High-vacuu... SPECIAL TU... DeForest-T... DeForest-T...
487 
1926 P_deForest LOCKED OFF... DeForest-T...
488 
1926 R42 Triode, va... Europe 4-P... CH Dario (tub...
489 
1926 R85 Triode, va... Europe 4-P... CH Dario (tub...
490 
1926 RE034 Triode, va... Europe 4-P... D Telefunken...
491 
1926 RE054 Triode, va... Europe 4-P... CDN Telefunken...
492 
1926 RE062 Triode, va... Europe 4-P... CDN Telefunken...
493 
1926 RE062t Triode, va... Telefunken... CDN Telefunken...
494 
1926 RE064 TRIODE (De... Europe 4-P... D Telefunken...
495 
1926 RE064t Triode, va... Telefunken... CDN Telefunken...
496 
1926 RE072d Space Char... Europe 4-P... CDN Telefunken...
497 
1926 RE073d Space Char... Europe 4-P... CDN Telefunken...
498 
1926 RE074 Triode, va... Europe 4-P... CDN Telefunken...
499 
1926 RE134 Triode, va... Europe 4-P... D Telefunken...
500 
1926 RE144 Triode, va... Europe 4-P... CDN Telefunken...
501 
1926 RE144t TRIODE (De... Telefunken... CDN Telefunken...
502 
1926 RE152 Triode, va... Europe 4-P... CDN Telefunken...
503 
1926 RE152t Triode, va... Telefunken... CDN Telefunken...
504 
1926 RE154 Triode, va... Europe 4-P... D Telefunken...
505 
1926 RE154t Triode, va... Telefunken... CDN Telefunken...
506 
1926 RE504 Triode, va... Europe 4-P... CDN Telefunken...
507 
1926 RE504t Triode, va... Telefunken... CDN Telefunken...
508 
1926 REN1104 Triode, va... Europe 5-P... CDN Telefunken...
509 
1926 RGN1503 Full-Wave ... Europe 4-P... D Telefunken...
510 
1926 RS2 Triode, va... Europe 4-P... D Triotron (...
511 
1926 RS4_Triotron Triode, va... Europe 4-P... D Triotron (...
512 
1926 Radion X-ray tube SPECIAL TU... Phönix Rön... Phönix Rön...
513 
1926 SP55/R Triode, va... Europe 4-P... Metropolit... Metropolit...
514 
1926 SS4 TRIODE (De...
515 
1926 SV10 Triode, va... Triotron (...
516 
1926 SV7 Triode, va... Europe 4-P... Triotron (...
517 
1926 SX200A Gas Triode UX-Base (4... Sylvania (... General El...
518 
1926 TR6E TRIODE (De... Europe 4-P... SER, AB Sv...
519 
1926 TS10 UNKNOWN Triotron (...
520 
1926 UV204A Transmitti... Pin-and-bl... RCA (RCA V... General El...
521 
1926 UV217B Half-Wave ... Jumbo 4-pi... General El... General El...
522 
1926 UX171A Triode, va... UX-Base (4... USA Common typ... General El...
523 
1926 UX200A Gas Triode UX-Base (4... ROK Common typ... General El...
524 
1926 UX225 Triode, va... UX-Base (4... RCA (RCA V... Westinghou...
525 
1926 VIRAA Triode, va... Europe 4-P... Vereenigde... Vereenigde...
526 
1926 VIRAB Triode, va... Europe 4-P... Vereenigde... Vereenigde...
527 
1926 VIRAC Triode, va... Europe 4-P... Vereenigde... Vereenigde...
528 
1926 VIRAD Triode, va... Europe 4-P... Vereenigde... Vereenigde...
529 
1926 WE4 Triode, va... Europe 4-P... D Triotron (...
530 
1927 112A Triode, va... UX-Base (4... ROK Common typ... Westinghou...
531 
1927 1823 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
532 
1927 216A_Nissl Triode, va... UV-Base (4... Czeija, Ni...
533 
1927 22 Screen-gri... UX-Base (4... ROK Common typ... General El...
534 
1927 222 Screen-gri... UX-Base (4... Common typ... General El...
535 
1927 226 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
536 
1927 227 Triode, va... UY-Base, 5... ROK Common typ...
537 
1927 2504 Half-Wave ... Swan-Bajon... NL Philips; E...
538 
1927 26 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
539 
1927 27 Triode, va... UY-Base, 5... ZA Common typ... Westinghou...
540 
1927 280 Full-Wave ... UX-Base (4... ROK Common typ... General El...
541 
1927 2LO Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
542 
1927 3006 Half-Wave ... Europe 3-P... NL Philips; E... Philips; E...
543 
1927 3NFB MULTI-SYST... Loewe Bajo... Loewe-(Opt... Loewe-(Opt...
544 
1927 505 Half-Wave ... Europe 3-P... NL Philips; E...
545 
1927 506 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
546 
1927 506K Full-Wave ... Europe 4-P... Philips; E...
547 
1927 608 Triode, va... UX-Base (4... Marathon (... Marathon (...
548 
1927 608R Triode, va... UX-Base (4... Marathon (... Marathon (...
549 
1927 630_Marathon Triode, va... UX-Base (4... Marathon (... Marathon (...
550 
1927 80 Full-Wave ... UX-Base (4... ROK Common typ... General El...
551 
1927 A11 Triode, va... Europe 4-P... D Kremenezky...
552 
1927 A15 Triode, va... Europe 4-P... Kremenezky...
553 
1927 A235 Screen-gri... UY-Base, 5... CH Visseaux /... RCA (RCA V...
554 
1927 A435 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
555 
1927 A442 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
556 
1927 AC-22 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
557 
1927 AC-26 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
558 
1927 AC-28 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
559 
1927 AC-30 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
560 
1927 AC-31 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
561 
1927 AC-32 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
562 
1927 AC-46 Triode, va... UX-Base (4... Arcturus R...
563 
1927 AY225 Triode, va... RCA (RCA V... Westinghou...
564 
1927 AY227 Triode, va... UY-Base, 5... RCA (RCA V... Westinghou...
565 
1927 B10 Space Char... Europe 4-P... D Kremenezky...
566 
1927 B11_tetrode Space Char... Europe 4-P... D Kremenezky...
567 
1927 B12 Triode, va... Europe 4-P... BTH (B.T.H...
568 
1927 B21_BTH Triode, va... Europe 4-P... BTH (B.T.H...
569 
1927 B22_BTH Triode, va... Europe 4-P... BTH (B.T.H...
570 
1927 B23_BTH Triode, va... Europe 4-P... BTH (B.T.H... BTH (B.T.H...
571 
1927 B424 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
572 
1927 B438 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
573 
1927 B442 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
574 
1927 B443 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
575 
1927 B8_Donle Gas Triode UX-Base (4... Donle-Bris... Donle-Bris...
576 
1927 B9_Kremenezky Space Char... Europe 4-P... Kremenezky...
577 
1927 C142 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
578 
1927 CX112A Triode, va... UX-Base (4... Cunningham... General El...
579 
1927 D-01A Triode, va... UX-Base (4... DeForest-T... General El...
580 
1927 D-G Half-Wave ... UX-Base (4... CeCo (tube...
581 
1927 D143 Vacuum Pen... Europe 4-P... NL Philips; E... Philips; E...
582 
1927 D243 Vacuum Pen... Europe 5-P... NL Philips; E...
583 
1927 D404 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
584 
1927 DES625 LOCKED OFF...
585 
1927 DL14_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
586 
1927 DL15_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
587 
1927 DL3_deForest Triode, va... UX-Base (4... DeForest-T...
588 
1927 DL9_deForest Triode, va... UX-Base (4... DeForest-T...
589 
1927 DM15 Space Char... Europe 4-P... NL Radio-Reco... Radio-Reco...
590 
1927 DM300_old Space Char... Europe 4-P... NL Radio-Reco... Radio-Reco...
591 
1927 DP-10 Gas Triode UX-Base (4... Donle-Bris... Donle-Bris...
592 
1927 DP-11 Gas Triode Donle-Bris...
593 
1927 DR-1V Full-Wave ... UX-Base (4... Donle-Bris... Donle-Bris...
594 
1927 DR_deForest Half-Wave ... UX-Base (4... DeForest-T...
595 
1927 DV26/2 Triode, va... Europe 4-P... Spanner Gm...
596 
1927 DV26/4 TRIODE (De... Europe 4-P... Spanner Gm...
597 
1927 DV27/2 TRIODE (De... Europe 4-P... Spanner Gm...
598 
1927 DV27/2H TRIODE (De... Europe 4-P... Spanner Gm...
599 
1927 DV27/4 Triode, va... Europe 4-P... Spanner Gm...
600 
1927 DV52/2 Triode, va... Europe 4-P... Spanner Gm...
601 
1927 DV52/4 Triode, va... Europe 4-P... Spanner Gm...
602 
1927 DV7 Triode, va... UV-Base (4... DeForest-T... DeForest-T...
603 
1927 F215 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
604 
1927 GT130 Full-Wave ... Europe 4-P... CDN TeKaDe (TK...
605 
1927 GT138 Half-Wave ... Europe 3-P... CDN TeKaDe (TK...
606 
1927 H206 Triode, va... Europe 4-P... CDN Valvo GmbH...
607 
1927 H412 Triode, va... Europe 4-P... D Triotron (...
608 
1927 II Triode, va... Europe 4-P... Nowak & Co...
609 
1927 III Triode, va... Europe 4-P... Nowak & Co...
610 
1927 IIIa Triode, va... Europe 4-P... Nowak & Co...
611 
1927 IIa Triode, va... Europe 4-P... Nowak & Co...
612 
1927 I_Nowak Triode, va... Europe 4-P... Nowak & Co...
613 
1927 Ia Triode, va... Europe 4-P... Nowak & Co...
614 
1927 KH1_MO Triode, va... Europe 4-P... Marconi-Os... Marconi-Os...
615 
1927 K_CeCo Triode, va... UX-Base (4... CeCo (tube... CeCo (tube...
616 
1927 L215 Triode, va... Europe 4-P... CDN Valvo GmbH...
617 
1927 L25 Triode, va... Europe 4-P... Kremenezky...
618 
1927 L410 Triode, va... Europe 4-P... A Valvo GmbH...
619 
1927 L414 Triode, va... Europe 4-P... TW Valvo GmbH...
620 
1927 L415 Triode, va... Europe 4-P... TW Valvo GmbH...
621 
1927 L418 Triode, va... Europe 4-P... D Nowak & Co...
622 
1927 LU406 Triode, va... Europe 4-P... CDN Lorenz; Be...
623 
1927 LW405 Triode, va... Europe 4-P... Lorenz; Be...
624 
1927 M104 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
625 
1927 M144 Triode, va... Europe 4-P... NL Radio-Reco...
626 
1927 M15 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
627 
1927 M300 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
628 
1927 M350 Triode, va... Europe 4-P... NL Radio-Reco...
629 
1927 M72 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
630 
1927 M_Ediswan UNKNOWN Europe 4-P... Ediswan, S...
631 
1927 Mikro TRIODE (De... Europe 4-P... CDN Hova-Röhre...
632 
1927 Mikrotron Full-Wave ... Europe 4-P... Valvo GmbH...
633 
1927 N406 Triode, va... Europe 4-P... CDN Valvo GmbH...
634 
1927 NZ420 Double Tri... SPECIAL TU... CDN Valvo GmbH...
635 
1927 PV1_Nowak Triode, va... Europe 4-P... Nowak & Co...
636 
1927 PV2_Nowak Triode, va... Europe 4-P... Nowak & Co...
637 
1927 Polytron-4fach Quad Triode SPECIAL TU... D Spanner Gm... Spanner Gm...
638 
1927 R202 Half-Wave ... Europe 4-P... NL Radio-Reco... Radio-Reco...
639 
1927 R215 TRIODE (De... Europe 4-P... NL VATEA; Bud...
640 
1927 R22 Full-Wave ... Europe 4-P... CDN Rectron Gm... Rectron Gm...
641 
1927 R220 Full-Wave ... Europe 4-P... CDN Rectron Gm...
642 
1927 R33 Full-Wave ... Europe 4-P... CDN Rectron Gm...
643 
1927 R44 Full-Wave ... Europe 4-P... CDN Rectron Gm...
644 
1927 R636 Triode, va... Europe 4-P... Dario (tub...
645 
1927 R643 Dual-Grid ... French Big... Dario (tub...
646 
1927 R655 Triode, va... Europe 4-P... Dario (tub...
647 
1927 R656 Triode, va... Europe 4-P... Dario (tub...
648 
1927 RCA30 LOCKED OFF... RCA (RCA V...
649 
1927 RE052 Triode, va... Europe 4-P... CDN Telefunken...
650 
1927 RE052t Triode, va... Telefunken... CDN Telefunken...
651 
1927 RE084 Triode, va... Europe 4-P... CDN Telefunken...
652 
1927 RE1 Space Char... EU-Telepho... CDN Telefunken...
653 
1927 RE124 Triode, va... Europe 4-P... CDN Telefunken...
654 
1927 RE352 Triode, va... Europe 4-P... CDN Telefunken...
655 
1927 RE354 Triode, va... Europe 4-P... CDN Telefunken...
656 
1927 REN1004 Triode, va... Europe 5-P... CDN Telefunken...
657 
1927 RENS1204 Screen-gri... Europe 5-P... D Telefunken...
658 
1927 RGN1504 Full-Wave ... Europe 4-P... CDN Telefunken...
659 
1927 RO Transmitti... TRANSMITTI... DeForest-T... DeForest-T...
660 
1927 RRR134 Half-Wave ... Europe 3-P... Radio-Reco...
661 
1927 RRR245 Full-Wave ... Europe 4-P... NL Radio-Reco...
662 
1927 RT636 Triode, va... Europe 4-P... Dario (tub...
663 
1927 RT636_6pin Triode, va... Radiotechn... Dario (tub...
664 
1927 RT643 Space Char... French Big... Dario (tub...
665 
1927 RT643_7pin Dual-Grid ... French Big... Dario (tub...
666 
1927 RT655 Triode, va... Europe 4-P... Dario (tub...
667 
1927 RT655_6pin Triode, va... Radiotechn... Dario (tub...
668 
1927 RT656 Triode, va... Europe 4-P... Dario (tub...
669 
1927 RT656_6pin Triode, va... Radiotechn... Dario (tub...
670 
1927 RV218 Triode, va... 4-socket G... CDN Telefunken...
671 
1927 R_deForest LOCKED OFF... DeForest-T...
672 
1927 S625 Screen-gri... SPECIAL TU... A MO Valve C... MO Valve C...
673 
1927 SE Transmitti... Nowak & Co...
674 
1927 ST21 Triode, va... Europe 4-P... ST Valve, ...
675 
1927 ST22 Triode, va... Europe 4-P... ST Valve, ...
676 
1927 ST23 Triode, va... Europe 4-P... ST Valve, ...
677 
1927 ST41 Triode, va... Europe 4-P... ST Valve, ...
678 
1927 ST42 Triode, va... Europe 4-P... ST Valve, ...
679 
1927 ST43 Triode, va... Europe 4-P... ST Valve, ...
680 
1927 ST61A Triode, va... Europe 4-P... ST Valve, ...
681 
1927 ST61B Triode, va... Europe 4-P... ST Valve, ...
682 
1927 ST62 Triode, va... Europe 4-P... ST Valve, ...
683 
1927 ST63 Triode, va... Europe 4-P... ST Valve, ...
684 
1927 T106 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
685 
1927 TP2_Vatea Triode, va... Europe 4-P... VATEA; Bud...
686 
1927 TP3 Triode, va... Europe 4-P... GB VATEA; Bud...
687 
1927 TP3_Vita Triode, va... Europe 4-P... Vita (tube...
688 
1927 TP4_Vatea Triode, va... Europe 4-P...
689 
1927 U208D Space Char... Europe 4-P... CDN Valvo GmbH...
690 
1927 U408D Space Char... Europe 4-P... CDN Valvo GmbH...
691 
1927 U410 Triode, va... Europe 4-P...
692 
1927 UV217 Half-Wave ... Jumbo 4-pi... General El... General El...
693 
1927 UV217C Half-Wave ... Jumbo 4-pi... General El... General El...
694 
1927 UX112A Triode, va... UX-Base (4... Common typ... Westinghou...
695 
1927 UX222 Screen-gri... UX-Base (4... ROK Common typ... General El...
696 
1927 UX226 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
697 
1927 UX240 Triode, va... UX-Base (4... ROK Common typ... General El...
698 
1927 UX280 Full-Wave ... UX-Base (4... ROK RCA (RCA V... Westinghou...
699 
1927 UX281 Half-Wave ... UX-Base (4... ROK Common typ... Westinghou...
700 
1927 UY227 Triode, va... UY-Base, 5... Common typ... Westinghou...
701 
1927 VT-122 Transmitte... CDN Common typ...
702 
1927 VT-124 Vacuum Pen... Octal (Int... ROK Common typ...
703 
1927 VT-132 Triode-Hex... Octal (Int... ROK Common typ...
704 
1927 VT-133 Double Dio... Octal (Int... ROK Common typ...
705 
1927 VT-134 Beam Power... Octal (Int... ROK Common typ...
706 
1927 VT-137 Triode, va... Octal (Int... ROK Common typ...
707 
1927 VT-141 Half-Wave ... CDN Common typ...
708 
1927 VT-142 TRANSMITTI... ROK Common typ...
709 
1927 VT111_TKD TRIODE (De... Europe 4-P... ROK TeKaDe (TK...
710 
1927 VT121_TKD Triode, va... Europe 4-P... ROK TeKaDe (TK...
711 
1927 VT123 Double Tri... CDN Common typ...
712 
1927 VT128_TKD Triode, va... Europe 4-P... TeKaDe (TK...
713 
1927 VT129_TKD TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
714 
1927 VT139_TKD Triple Tri... SPECIAL TU... D TeKaDe (TK...
715 
1927 W206 TRIODE (De... Europe 4-P... CDN Valvo GmbH...
716 
1927 W406 Triode, va... Europe 4-P... NL Valvo GmbH...
717 
1927 W412 TRIODE (De... Europe 4-P... D Triotron (...
718 
1927 WP3 Triode, va... VATEA; Bud...
719 
1927 ZM144 Double Tri... Europe 4-P... NL Radio-Reco... Radio-Reco...
720 
1927 М-400 Transmitti... NL Common typ...
721 
1928 126H Triode, va... Arcturus R... Arcturus R...
722 
1928 1560 Full-Wave ... Europe 4-P... NL Philips; E...
723 
1928 1561 Full-Wave ... Europe 4-P... NL Philips; E...
724 
1928 1562 Half-Wave ... Europe 4-P... NL Philips; E...
725 
1928 1904 Current Re... Europe 4-P... NL Philips; E...
726 
1928 224S Screen-gri... Rogers-Maj...
727 
1928 227S Triode, va... UY-Base, 5... Rogers-Maj...
728 
1928 2506 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
729 
1928 2G412 Dual-Grid ... Lutèce-Lum...
730 
1928 2GS Dual-Grid ... Lutèce-Lum...
731 
1928 2L20 Triode, va... Europe 4-P... CDN TeKaDe (TK...
732 
1928 2NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
733 
1928 2U15 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
734 
1928 4A15_Ultron Dual-Grid ... Europe 5-P... CH Ultron (tu...
735 
1928 4L15 Triode, va... Europe 4-P... CDN TeKaDe (TK...
736 
1928 4N08 Triode, va... Europe 4-P... CDN TeKaDe (TK...
737 
1928 4W08 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
738 
1928 50 Triode, va... UX-Base (4... ROK Common typ... General El...
739 
1928 501_Sovereign Triode, va... Sovereign ...
740 
1928 A1404 Triode, va... Cyrnos (br...
741 
1928 A2403 Triode, va... Cyrnos (br...
742 
1928 A4100 Triode, va... Europe 5-P... CDN Valvo GmbH...
743 
1928 A411S Triode, va... Europe 4-P...
744 
1928 A414K Triode, va... Europe 4-P... NL Philips; E... Philips; E...
745 
1928 A416 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
746 
1928 AC-40 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
747 
1928 AC/S Vacuum Pen... cosmos-AC-... Metropolit... Metropolit...
748 
1928 AHW/2 Triode, va... Europe 4-P... Amateur-Rö...
749 
1928 AHW/4 Triode, va... Europe 4-P... Amateur-Rö...
750 
1928 AL1203 Triode, va... Cyrnos (br...
751 
1928 ANL/2 Triode, va... Europe 4-P... Amateur-Rö...
752 
1928 ANL/4 Triode, va... Europe 4-P... Amateur-Rö...
753 
1928 B3510 Vacuum Pen... Cyrnos (br...
754 
1928 B443S Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
755 
1928 B5008 Vacuum Pen... Cyrnos (br...
756 
1928 B507 Full-Wave ... Europe 4-P... Lutèce-Lum...
757 
1928 B515 Full-Wave ... Europe 4-P... Lutèce-Lum...
758 
1928 B543 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
759 
1928 C-485 Triode, va... UY-Base, 5... Sparton-Ca... Sparton-Ca...
760 
1928 C-686 Triode, va... UY-Base, 5... Sparton-Ca... Sparton-Ca...
761 
1928 C135 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
762 
1928 C443 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
763 
1928 C643 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
764 
1928 DEH410 Triode, va... Europe 4-P... A Marconi-Os...
765 
1928 DEH610 Triode, va... Europe 4-P... Marconi-Os...
766 
1928 DEL210 Triode, va... Europe 4-P... A Marconi-Os...
767 
1928 DEL610 Triode, va... Europe 4-P... Marconi-Os...
768 
1928 DEP215 Triode, va... Europe 4-P... A Marconi-Os...
769 
1928 DEP240 Triode, va... Europe 4-P... Marconi-Os...
770 
1928 DEP410 Triode, va... Europe 4-P... A Marconi-Os...
771 
1928 DEP610 Triode, va... Europe 4-P... Marconi-Os...
772 
1928 DU10 Half-Wave ... Europe 4-P... A Mullard Ra...
773 
1928 DU2 Full-Wave ... Europe 4-P... A Mullard Ra...
774 
1928 E406 Triode, va... Europe 4-P... NL Philips; E...
775 
1928 E406N Triode, va... Europe 4-P... NL Philips; E...
776 
1928 E408 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
777 
1928 E408N Triode, va... Europe 4-P... NL Philips; E... Philips; E...
778 
1928 E409 Triode, va... Europe 5-P... NL Philips; E...
779 
1928 E409N Triode, va... Europe 5-P... NL Philips; E... Philips; E...
780 
1928 E415 Triode, va... Europe 5-P... NL Philips; E...
781 
1928 E422 Triode, va... Europe 4-P... D Triotron (...
782 
1928 E424 Triode, va... Europe 5-P... NL Philips; E...
783 
1928 E430 Triode, va... Europe 5-P... NL Philips; E... Philips; E...
784 
1928 E435_with-cap Triode, va... Europe 5-P... NL Philips; E... Philips; E...
785 
1928 E438 Triode, va... Europe 5-P... NL Philips; E...
786 
1928 E441 Dual-Grid ... Europe 5-P... NL Philips; E...
787 
1928 E442 Screen-gri... Europe 5-P... NL Philips; E...
788 
1928 E442S Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
789 
1928 ENDROHR/2 Triode, va... Europe 4-P... Amateur-Rö...
790 
1928 ENDROHR/4 Triode, va... Europe 4-P... Amateur-Rö...
791 
1928 EW120 Current Re... Europe 4-P... CDN Common typ...
792 
1928 G112_Lutece Triode, va... Lutèce-Lum...
793 
1928 G650_Splendor Full-Wave ... Europe 4-P... Splendor L... Splendor L...
794 
1928 H-Point8 Triode, va... Europe 4-P... Marconi's ...
795 
1928 H0.8 Triode, va... Europe 4-P... Marconi-Os...
796 
1928 H125 Triode, va... Europe 4-P... CDN Valvo GmbH...
797 
1928 H125D Screen-gri... Europe 4-P... CDN Valvo GmbH...
798 
1928 H406D Screen-gri... Europe 4-P... CDN Valvo GmbH...
799 
1928 H4100D Screen-gri... Europe 5-P... CDN Valvo GmbH...
800 
1928 H4100spez TRIODE (De... Europe 5-P... CDN Valvo GmbH...
801 
1928 H430 Triode, va... Europe 4-P... Lutèce-Lum...
802 
1928 HF30 MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
803 
1928 HL-Point8 Triode, va... Europe 4-P... Marconi's ...
804 
1928 HL0.8 Triode, va... Europe 4-P... Marconi-Os...
805 
1928 HL210 Triode, va... Europe 4-P... CH Common typ...
806 
1928 HL610 Triode, va... Europe 4-P... CH Osram-Valv... Osram-Valv...
807 
1928 HZ420 Double Tri... SPECIAL TU... CDN Valvo GmbH...
808 
1928 KL1_MO Triode, va... Europe 4-P... Marconi-Os... Marconi-Os...
809 
1928 L160 Triode, va... Europe 4-P... CDN Valvo GmbH...
810 
1928 L160D Vacuum Pen... Europe 4-P... CDN Valvo GmbH...
811 
1928 L413 Triode, va... Europe 4-P... CDN Valvo GmbH...
812 
1928 L415D Vacuum Pen... Europe 4-P... CDN Valvo GmbH...
813 
1928 L4180 Triode, va... Europe 4-P... CDN Valvo GmbH...
814 
1928 LAP513 Vacuum Pen... Europe 5-P... CDN Loewe-(Opt...
815 
1928 LH406 Triode, va... Europe 4-P... Lorenz; Be...
816 
1928 LK4100 Triode, va... Europe 4-P... CDN Valvo GmbH...
817 
1928 LK4130 Triode, va... SPECIAL TU... CDN Valvo GmbH...
818 
1928 LK460 Triode, va... Europe 4-P... CDN Valvo GmbH...
819 
1928 LK8100 Triode, va... Europe 4-P... Valvo GmbH...
820 
1928 LS6A Triode, va... Europe 4-P... MO Valve C... MO Valve C...
821 
1928 P-Point8 Triode, va... Europe 4-P... Marconi's ...
822 
1928 P403 Triode, va... Europe 4-P... Lutèce-Lum...
823 
1928 P405 Triode, va... Europe 4-P... Lutèce-Lum...
824 
1928 P425 Triode, va... Europe 4-P... D Marconi-Os... Common typ...
825 
1928 P625 Triode, va... Europe 4-P... A MO Valve C... MO Valve C...
826 
1928 P625A Triode, va... Europe 4-P... CH Common typ... Marconi-Os...
827 
1928 PT.8 Vacuum Pen... Europe 4-P... A MO Valve C...
828 
1928 PT235 Vacuum Pen... Europe 5-P... A Marconi-Os...
829 
1928 Ph515A Triode, va... Europe 4-P... Lutèce-Lum...
830 
1928 Ph515B Triode, va... Europe 4-P... Lutèce-Lum...
831 
1928 R110 Full-Wave ...
832 
1928 R250 Full-Wave ... Europe 4-P... CDN Radio-Reco...
833 
1928 R250_Rectron Full-Wave ... Europe 4-P... Rectron Gm...
834 
1928 R45 Full-Wave ... CDN Rectron Gm...
835 
1928 R56 Triode, va... Europe 4-P... CH La Radiote...
836 
1928 R75 Triode, va... Europe 4-P... CH Dario (tub...
837 
1928 R76 TRIODE (De... Europe 4-P... CH Dario (tub...
838 
1928 R77 Triode, va... Europe 4-P... CH Dario (tub...
839 
1928 R80 Triode, va... Europe 4-P... CDN Dario (tub...
840 
1928 RE074d Space Char... Europe 4-P... CDN Telefunken...
841 
1928 RE114 Triode, va... Europe 4-P... CDN Telefunken...
842 
1928 RE122 Triode, va... Europe 4-P... CDN Telefunken...
843 
1928 RE604 Triode, va... Europe 4-P... CDN Telefunken...
844 
1928 REN2204 Triode, va... Europe 5-P... CDN Telefunken...
845 
1928 REN501 Triode, va... Europe 4-P... CDN Telefunken...
846 
1928 REN511 Triode, va... Europe 4-P... CDN Telefunken...
847 
1928 REN601 Triode, va... Europe 4-P... CDN Telefunken...
848 
1928 REN804 Triode, va... Europe 5-P... Telefunken... Telefunken...
849 
1928 RENZ2104 Double Tri... SPECIAL TU... CDN Telefunken...
850 
1928 RES044 Screen-gri... Europe 4-P... CDN Telefunken...
851 
1928 RES094 Screen-gri... Europe 4-P... CDN Telefunken...
852 
1928 RES164 Vacuum Pen... Europe 5-P... D Telefunken...
853 
1928 RES164d Vacuum Pen... Europe 4-P... D Telefunken...
854 
1928 REZ126 Double Tri... SPECIAL TU... CDN Telefunken...
855 
1928 REZ147 Double Tri... SPECIAL TU... CDN Telefunken...
856 
1928 RGN1203 Half-Wave ... CDN Telefunken...
857 
1928 RGN1304 Half-Wave ... Europe 4-P... D Telefunken...
858 
1928 RGN1500 Full-Wave ... Europe 4-P... CDN Telefunken... Common typ...
859 
1928 RGN2004 Full-Wave ... Europe 4-P... Telefunken...
860 
1928 RO4010 Triode, va... Europe 4-P... CH Visseaux /...
861 
1928 RO4109 Triode, va... Europe 4-P... CH Visseaux /...
862 
1928 RO4215 Triode, va... Europe 4-P... CH Visseaux /...
863 
1928 RO4305 Triode, va... Europe 4-P... CH Visseaux /...
864 
1928 RO4309 Triode, va... Europe 4-P... CH Visseaux /...
865 
1928 RV230 Transmitti... SPECIAL TU... CDN Telefunken...
866 
1928 RV2300 Transmitti... SPECIAL TU... CDN Telefunken...
867 
1928 RV239 Triode, va... 4-socket G... CDN Telefunken...
868 
1928 RV2400 Triode, va... Telefunken...
869 
1928 RV2500 Transmitti... SPECIAL TU... CDN Telefunken...
870 
1928 RV258 Triode, va... 4-socket G... CDN Telefunken...
871 
1928 RV271 Triode, va... 4-socket G... CDN Telefunken...
872 
1928 RV275 Triode, va... Europe 5-P... CDN Telefunken...
873 
1928 RV278 Transmitti... 4-socket G... CDN Telefunken...
874 
1928 S-Point8 Screen-gri... Europe 4-P... Marconi-Os...
875 
1928 S205 Triode, va... Lutèce-Lum...
876 
1928 S215 Screen-gri... Europe 4-P... A MO Valve C...
877 
1928 S215_Lutece Triode, va... Europe 5-P... Lutèce-Lum...
878 
1928 S410 Screen-gri... Europe 4-P... TW MO Valve C...
879 
1928 S610 Screen-gri... Europe 4-P... MO Valve C...
880 
1928 TM1003 Triode, va... Cyrnos (br...
881 
1928 U409D Space Char... Europe 4-P... CDN Valvo GmbH...
882 
1928 U409D_5pin Space Char... French Big... Valvo GmbH...
883 
1928 U8 Full-Wave ... Europe 4-P... A Osram-Valv... MO Valve C...
884 
1928 U9 High-vacuu... Europe 4-P... A Marconi-Os...
885 
1928 UL208A Triode, va... Europe 4-P... D Radioröhre...
886 
1928 UL209E Triode, va... Europe 4-P... D Radioröhre...
887 
1928 UL407W TRIODE (De... Europe 4-P... D Radioröhre...
888 
1928 UL408H TRIODE (De... Europe 4-P... D Radioröhre...
889 
1928 UL410A Triode, va... Europe 4-P... D Radioröhre...
890 
1928 UL412E Triode, va... Europe 4-P... D Radioröhre...
891 
1928 UL423A Triode, va... Europe 4-P... D Radioröhre...
892 
1928 UL430L Triode, va... Europe 4-P... D Radioröhre...
893 
1928 UX864 Triode, va... UX-Base (4... RCA (RCA V... General El...
894 
1928 VH40 Triode, va... Europe 4-P... Splendor L... Splendor L...
895 
1928 VT143_TKD Double Tri... CDN TeKaDe (TK...
896 
1928 W125 Triode, va... Europe 4-P... CDN Valvo GmbH...
897 
1928 W4100 Triode, va... Europe 5-P... CDN Valvo GmbH...
898 
1928 WE22_Rectron Current Re... Europe 3-P... Rectron Gm...
899 
1928 WE55 Full-Wave ... Europe sid... GB Common typ...
900 
1929 10NG Half-Wave ... Europe 4-P... CDN Loewe-(Opt...
901 
1929 12NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
902 
1929 14NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
903 
1929 1821 Full-Wave ... Europe 4-P... NL Philips; E...
904 
1929 1L60 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
905 
1929 1N51 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
906 
1929 1W50 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
907 
1929 224 Screen-gri... UY-Base, 5... ROK Common typ... Westinghou...
908 
1929 24 Screen-gri... UY-Base, 5... ROK Common typ...
909 
1929 240NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
910 
1929 24A Screen-gri... UY-Base, 5... ROK Common typ...
911 
1929 3G130 High-vacuu... Europe 4-P... CDN TeKaDe (TK...
912 
1929 3NFW MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt...
913 
1929 45 Triode, va... UX-Base (4... Common typ... Westinghou...
914 
1929 485_Sparton Triode, va... UY-Base, 5... Sparton-Ca... Sparton-Ca...
915 
1929 4A120 Triode, va... Europe 5-P... CDN TeKaDe (TK...
916 
1929 4A80 Triode, va... Europe 5-P... CDN TeKaDe (TK...
917 
1929 4G15 Half-Wave ... Europe 4-P... CDN TeKaDe (TK...
918 
1929 4G30 Full-Wave ... Europe 4-P... CDN TeKaDe (TK...
919 
1929 4H08 Triode, va... Europe 4-P... CDN TeKaDe (TK...
920 
1929 4HA130 TRIODE (De... Europe 5-P... CDN TeKaDe (TK...
921 
1929 4K170 Triode, va... 4-socket G... CDN TeKaDe (TK...
922 
1929 4K30 Triode, va... Europe 4-P... CDN TeKaDe (TK...
923 
1929 4K50 Triode, va... Europe 4-P... CDN TeKaDe (TK...
924 
1929 4L11 Triode, va... Europe 4-P... CDN TeKaDe (TK...
925 
1929 4L12 Triode, va... CDN TeKaDe (TK...
926 
1929 4L13 Triode, va... Europe 4-P... CDN TeKaDe (TK...
927 
1929 4L14 Triode, va... Europe 4-P... CDN TeKaDe (TK...
928 
1929 4L29 Triode, va... Europe 4-P... CDN TeKaDe (TK...
929 
1929 4NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
930 
1929 4U130 Triode, va... CDN TeKaDe (TK...
931 
1929 8NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
932 
1929 A4110 Triode, va... Europe 5-P... D Valvo GmbH...
933 
1929 AC/HL Triode, va... Europe 5-P... Common typ...
934 
1929 A_CRT CRT (catho... Europe 4-P... Ediswan, S... Ediswan, S...
935 
1929 DW1003 Triode, va... Europe 5-P... Métal; Fra...
936 
1929 DW2 Screen-gri... Europe 5-P... F Mazda = Va... Mazda (tub...
937 
1929 E424N Triode, va... Europe 5-P... NL Philips; E...
938 
1929 E428 Triode, va... Europe 5-P... NL Philips; E... Philips; E...
939 
1929 E443 Vacuum Pen... Europe 5-P... Philips; E... Philips; E...
940 
1929 E462 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
941 
1929 EG200 High-vacuu... Europe 4-P... CDN Seibt, Dr....
942 
1929 EW121 Current Re... Europe 4-P... CDN Siemens (&...
943 
1929 Four-In-One Quad Triode SPECIAL TU... Quadruple ... Quadruple ...
944 
1929 G3140 High-vacuu... Europe 4-P... NL Philips; E...
945 
1929 G4200 Full-Wave ... Europe 4-P... CDN Valvo GmbH...
946 
1929 G490 Full-Wave ... Europe 4-P... CDN Valvo GmbH...
947 
1929 G495 Half-Wave ... Europe 3-P... CDN Valvo GmbH...
948 
1929 G715 Half-Wave ... Europe 4-P... CDN Valvo GmbH...
949 
1929 GL3e Full-Wave ... SPECIAL TU... CDN Siemens (&...
950 
1929 GL6e Full-Wave ... SPECIAL TU... CDN Siemens (&...
951 
1929 H210 Triode, va... Europe 4-P... ZA Osram-Valv... Osram-Valv...
952 
1929 H407spez TRIODE (De... Europe 4-P... CDN Valvo GmbH...
953 
1929 H4080D Screen-gri... Europe 5-P... CDN Valvo GmbH...
954 
1929 H410 Triode, va... Europe 4-P... A Marconi-Os...
955 
1929 HF29_klar MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
956 
1929 HL410 Triode, va... Europe 4-P... CH Osram-Valv... Osram-Valv...
957 
1929 I4090 Screen-gri... Europe 5-P... Dario (tub...
958 
1929 L4100 Triode, va... Europe 5-P... CDN Valvo GmbH...
959 
1929 L425D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
960 
1929 L490D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
961 
1929 LK430 Triode, va... Europe 4-P... CDN Valvo GmbH...
962 
1929 MH4 Triode, va... Europe 5-P... A MO Valve C... MO Valve C...
963 
1929 MHL4 Triode, va... Europe 5-P... A Marconi-Os... Marconi-Os...
964 
1929 ML4 Triode, va... Europe 5-P... A MO Valve C... MO Valve C...
965 
1929 MS4 Screen-gri... Europe 4-P... A Marconi-Os...
966 
1929 P220_Lissen Triode, va... Europe 4-P... Lissen Ltd...
967 
1929 PP430 Vacuum Pen... Europe 5-P... TW Tungsram; ...
968 
1929 PT225 Vacuum Pen... Europe 5-P... A Lissen Ltd...
969 
1929 PX4 Triode, va... Europe 4-P... A Marconi-Os... Marconi-Os...
970 
1929 R1000 Full-Wave ... Europe 4-P... CDN Rectron Gm...
971 
1929 R500 Full-Wave ... CDN Rectron Gm...
972 
1929 R89 Vacuum Pen... Europe 5-P... CH Dario (tub...
973 
1929 RE304 Triode, va... Europe 4-P... CDN Telefunken...
974 
1929 REN704d Dual-Grid ... Europe 5-P... CDN Telefunken...
975 
1929 REN904 Triode, va... Europe 5-P... D Telefunken...
976 
1929 RGN1054 Full-Wave ... Europe 4-P... CDN Telefunken...
977 
1929 RGN354 Half-Wave ... Europe 3-P... CDN Telefunken...
978 
1929 RGN504 Full-Wave ... Europe 4-P... CDN Telefunken...
979 
1929 RH4010 Triode, va... Europe 4-P... Visseaux /...
980 
1929 RH4041 Space Char... Europe 4-P... CH Visseaux /...
981 
1929 RH4141 Dual-Grid ... Visseaux /...
982 
1929 RO4125 Triode, va... Europe 4-P... CH Visseaux /...
983 
1929 RO4142 Screen-gri... Europe 4-P... CH Visseaux /...
984 
1929 RO4206 Triode, va... Europe 4-P... CH Visseaux /...
985 
1929 RO4243 Vacuum Pen... Europe 4-P... CH Visseaux /...
986 
1929 RS4141 Dual-Grid ... French Big... CH Visseaux /...
987 
1929 U4100D Dual-Grid ... Europe 5-P... CDN Valvo GmbH...
988 
1929 UX245 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
989 
1929 UY224 Screen-gri... UY-Base, 5... ROK Common typ... Westinghou...
990 
1929 VG220 Full-Wave ... Europe 4-P... CDN Seibt, Dr....
991 
1929 VG250 Full-Wave ... Europe 4-P... CDN Seibt, Dr....
992 
1929 W4080 Triode, va... Europe 5-P... CDN Valvo GmbH...
993 
1929 WE45_Rectron Current Re... Europe 3-P... CDN Rectron Gm...
994 
1930 16NG Half-Wave ... Europe 3-P... CDN Loewe-(Opt...
995 
1930 201 Triode, va... UX-Base (4... ROK Common typ...
996 
1930 230 Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
997 
1930 30 Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
998 
1930 301 Current Re... Edison big... CDN Common typ...
999 
1930 31 Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
1000 
1930 32 Screen-gri... UX-Base (4... ROK Common typ... RCA (RCA V...
1001 
1930 32E Screen-gri... UX-Base (4... Brimar (ST... RCA (RCA V...
1002 
1930 36 Screen-gri... UY-Base, 5... ROK Common typ... RCA (RCA V...
1003 
1930 38 Vacuum Pen... UY-Base, 5... ROK RCA (RCA V... RCA (RCA V...
1004 
1930 486 Triode, va... UY-Base, 5... ROK Sparton-Ca... Sparton-Ca...
1005 
1930 4A90 TRIODE (De... Europe 5-P... CDN TeKaDe (TK...
1006 
1930 4K32 Triode, va... Europe 4-P... CDN TeKaDe (TK...
1007 
1930 4K60 Triode, va... Europe 4-P... CDN TeKaDe (TK...
1008 
1930 4N110 Triode, va... Europe 5-P... CDN TeKaDe (TK...
1009 
1930 4S120 Screen-gri... Europe 5-P... CDN TeKaDe (TK...
1010 
1930 4W100 Triode, va... Europe 5-P... CDN TeKaDe (TK...
1011 
1930 88S Vacuum Pen... 6-Pin-Base... Rogers-Maj...
1012 
1930 8K290 Triode, va... CDN TeKaDe (TK...
1013 
1930 8K300 Triode, va... CDN TeKaDe (TK...
1014 
1930 A408s Triode, va...
1015 
1930 AC/Pen Vacuum Pen... British-7-... CH Mazda = Va... Mazda = Va...
1016 
1930 C405 Triode, va... Europe 4-P... NL Philips; E...
1017 
1930 C408 Electromet... Europe 4-P... NL Philips; E...
1018 
1930 C443N Vacuum Pen... Europe 5-P... NL Philips; E...
1019 
1930 DC/HL Triode, va... Europe 5-P... CH Mazda = Va...
1020 
1930 DC/Pen Vacuum Pen... Europe 5-P... CH Mazda = Va...
1021 
1930 DC/SG Screen-gri... Europe 5-P... CH Mazda = Va...
1022 
1930 E200/300 Screen-gri... Europe 4-P... CH Celsior (t...
1023 
1930 E414_Triotron Triode, va... Europe 4-P... D Triotron (...
1024 
1930 E425_Triotron Triode, va... Europe 4-P... NL Triotron (... Triotron (...
1025 
1930 E443N Vacuum Pen... Europe 5-P... NL Philips; E...
1026 
1930 E463 Vacuum Pen... Europe 6-P... NL Philips; E...
1027 
1930 F443 Vacuum Pen... Europe 5-P... NL Philips; E...
1028 
1930 G2200 Gas Rectif... Europe 4-P... CDN Valvo GmbH...
1029 
1930 G2340 Gas Rectif... Europe 4-P... CDN Valvo GmbH...
1030 
1930 G425 Half-Wave ... Europe 4-P... CDN Valvo GmbH...
1031 
1930 G430 Full-Wave ... Europe 4-P... CDN Valvo GmbH...
1032 
1930 G460 Full-Wave ... Europe 4-P... CDN Valvo GmbH...
1033 
1930 H406Ds Screen-gri... Europe 4-P... Valvo GmbH...
1034 
1930 H410D Screen-gri... Europe 4-P... CDN Valvo GmbH...
1035 
1930 L413S Triode, va... Europe 4-P... Valvo GmbH...
1036 
1930 L416D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1037 
1930 L416Ds Vacuum Pen...
1038 
1930 L491D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1039 
1930 L495D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1040 
1930 L510D Vacuum Pen... Europe 4-P... CDN Valvo GmbH...
1041 
1930 LA203 Triode, va... Europe 5-P... CDN Loewe-(Opt...
1042 
1930 LK4110 Triode, va... Europe 4-P... CDN Valvo GmbH...
1043 
1930 LK4200 Triode, va... Europe 4-P... CDN Valvo GmbH...
1044 
1930 MA125 Gas Triode Arcotron CDN Valvo GmbH...
1045 
1930 ME1520 Triode, va... Celsior (t...
1046 
1930 MW125 Triode, va... Arcotron CDN Valvo GmbH...
1047 
1930 NY64 Screen-gri... UY-Base, 5... National U...
1048 
1930 NZ4200 Double Tri... SPECIAL TU... Valvo GmbH...
1049 
1930 PM256A Triode, va... Europe 4-P... Mullard Ra...
1050 
1930 PU10.02 Triode, va... Celsior (t...
1051 
1930 PV801 Triode, va... Celsior (t...
1052 
1930 R0337 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1053 
1930 R0423 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1054 
1930 R0424 Half-Wave ... Europe 4-P... CDN Rectron Gm...
1055 
1930 R0431 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1056 
1930 R0437 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1057 
1930 R0446 High-vacuu... Europe 4-P... CDN Rectron Gm...
1058 
1930 R0481 Half-Wave ... Europe 4-P... CDN Rectron Gm...
1059 
1930 R0771 High-vacuu... Europe 4-P... CDN Rectron Gm...
1060 
1930 R1000/III Gas Rectif... CDN Rectron Gm...
1061 
1930 R2000 Half-Wave ... Edison, si... CDN Rectron Gm...
1062 
1930 R3000 Full-Wave ... Edison, si... CDN Rectron Gm...
1063 
1930 R4000 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1064 
1930 RCA230 Triode, va... RCA (RCA V...
1065 
1930 RCA231 LOCKED OFF... RCA (RCA V...
1066 
1930 RCA232 LOCKED OFF... RCA (RCA V...
1067 
1930 RES664d Vacuum Pen... Europe 5-P... CDN Telefunken...
1068 
1930 RGN1404 Half-Wave ... Europe 4-P... CDN Telefunken...
1069 
1930 U10 Full-Wave ... Europe 4-P... A MO Valve C...
1070 
1930 W410 Triode, va... Europe 4-P... CDN Valvo GmbH...
1071 
1931 1802 Half-Wave ... Europe 3-P... NL Philips; E...
1072 
1931 1803 Half-Wave ... Europe 3-P... Philips; E...
1073 
1931 1807 Full-Wave ... Europe 4-P... NL Philips; E...
1074 
1931 33 Vacuum Pen... UY-Base, 5... ROK Common typ...
1075 
1931 35 Screen-gri... UY-Base, 5... ROK Common typ... RCA (RCA V...
1076 
1931 3NFK MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
1077 
1931 47 Vacuum Pen... UY-Base, 5... ROK Common typ...
1078 
1931 47E Vacuum Pen... UY-Base, 5... National U...
1079 
1931 51 Screen-gri... UY-Base, 5... ROK Common typ...
1080 
1931 55 Double Dio... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1081 
1931 551 Screen-gri... UY-Base, 5... MEX Common typ...
1082 
1931 57 Vacuum Pen... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1083 
1931 58 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1084 
1931 A2118 Triode, va... Europe 5-P... CDN Valvo GmbH...
1085 
1931 B2043 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
1086 
1931 B2045 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
1087 
1931 B217 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
1088 
1931 B228 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
1089 
1931 B252 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
1090 
1931 C243N Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
1091 
1931 DH Triode, va... Europe 5-P... A Marconi-Os... Marconi-Os...
1092 
1931 DL Triode, va... Europe 5-P... A Marconi-Os... Marconi-Os...
1093 
1931 DPT Vacuum Pen... British-7-... A MO Valve C... MO Valve C...
1094 
1931 DPT_5pin Vacuum Pen... Europe 5-P... MO Valve C... MO Valve C...
1095 
1931 DS Screen-gri... Europe 5-P... A MO Valve C...
1096 
1931 E43 Vacuum Pen... Europe 4-P... D Kremenezky...
1097 
1931 E441N Dual-Grid ... Europe 5-P... NL Philips; E...
1098 
1931 E445 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
1099 
1931 E452 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
1100 
1931 E452T Screen-gri... Europe 5-P... Philips; E... Philips; E...
1101 
1931 H2018D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1102 
1931 L2218 Triode, va... Europe 5-P... CDN Valvo GmbH...
1103 
1931 L2318D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1104 
1931 L427D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1105 
1931 NC4a Screen-gri... Europe 5-P... D Sator (bra...
1106 
1931 NY-68 Vacuum Pen... UY-Base, 5... National U...
1107 
1931 NY65 Vacuum Pen... UY-Base, 5... National U...
1108 
1931 NY67 Triode, va... UY-Base, 5... National U...
1109 
1931 REN1821 Triode, va... Europe 5-P... CDN Telefunken...
1110 
1931 REN1822 Triode, va... Europe 5-P... CDN Telefunken...
1111 
1931 RENS1214 Screen-gri... Europe 5-P... CDN Telefunken...
1112 
1931 RENS1264 Screen-gri... Europe 5-P... CDN Telefunken...
1113 
1931 RENS1820 Vacuum Pen... Europe 5-P... CDN Telefunken...
1114 
1931 RENS1823d Vacuum Pen... Europe 5-P... CDN Telefunken...
1115 
1931 RES174 Vacuum Pen... Europe 5-P... Telefunken...
1116 
1931 RES174d Vacuum Pen... Europe 4-P... CDN Telefunken...
1117 
1931 RES364 Vacuum Pen... Europe 5-P... CDN Telefunken...
1118 
1931 RES374 Vacuum Pen... Europe 5-P... CDN Telefunken...
1119 
1931 RGN2005 Full-Wave ... Europe 4-P... CDN Telefunken...
1120 
1931 RGN2504 Full-Wave ... Europe 4-P... CDN Telefunken...
1121 
1931 RGN4004 Full-Wave ... Europe 4-P... CDN Telefunken...
1122 
1931 T9_Cineglow Radiation ... UX-Base (4... Blue Seal ... Blue Seal ...
1123 
1931 UY235 Screen-gri... UY-Base, 5... ROK Common typ... RCA (RCA V...
1124 
1931 UY38A Vacuum Pen... UY-Base, 5... Tokyo Elec... Tokyo Elec...
1125 
1931 UZ-55 Double Dio... 6-Pin-Base...
1126 
1931 UZ133D Triode-Pen... 6-Pin-Base... Common typ... RCA (RCA V...
1127 
1932 15 Vacuum Pen... UY-Base, 5... ROK Common typ... Sylvania (...
1128 
1932 1615 Vacuum Pen... 6-Pin-Base... Common typ...
1129 
1932 1805 Full-Wave ... Europe 4-P... NL Philips; E...
1130 
1932 295 MULTI-SYST... UY-Base, 5... ROK Speed, Cab... Speed, Cab...
1131 
1932 2A5 Vacuum Pen... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1132 
1932 2HMD Double Tet... Europe 5-P... CDN Loewe-(Opt...
1133 
1932 39 Vacuum Pen... UY-Base, 5... ROK RCA (RCA V... RCA (RCA V...
1134 
1932 41 Vacuum Pen... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1135 
1932 42 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1136 
1932 43 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1137 
1932 46 Double Gri... UY-Base, 5... ROK Common typ... RCA (RCA V...
1138 
1932 48 Screen-gri... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1139 
1932 49 Double Gri... UY-Base, 5... ROK Common typ...
1140 
1932 52 Double Gri... UY-Base, 5... ROK Common typ...
1141 
1932 56 Triode, va... UY-Base, 5... ROK Common typ...
1142 
1932 688 Photocell ... UX-Base (4... Cunningham...
1143 
1932 B242 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
1144 
1932 B255 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
1145 
1932 B262 Screen-gri... Europe 4-P... Philips; E... Philips; E...
1146 
1932 C453 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
1147 
1932 C509A Triode, va... UX-Base (4... Philips; E... General El...
1148 
1932 DSB Screen-gri... Europe 5-P... A MO Valve C...
1149 
1932 DW7 Screen-gri... Europe 5-P... A Mazda (tub...
1150 
1932 E451 Double Gri... Europe 5-P... NL Philips; E...
1151 
1932 E453 Vacuum Pen... Europe 5-P... NL Philips; E...
1152 
1932 E453_B5+1 Vacuum Pen... Europe B5+... Philips; E...
1153 
1932 E455 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
1154 
1932 E499 Triode, va... Europe 5-P... NL Philips; E...
1155 
1932 E707 Triode, va... NL Philips; E...
1156 
1932 EG100 Half-Wave ... Europe 5-P... D Ostar (Gus... Ostar (Gus...
1157 
1932 EG50 Half-Wave ... Europe 5-P... D Ostar (Gus... Ostar (Gus...
1158 
1932 ER-LA Vacuum Pen... UY-Base, 5... Raytheon M...
1159 
1932 F410 Triode, va... Europe 4-P... NL Philips; E...
1160 
1932 GL4/1D Full-Wave ... Europe 4-P... Sator (bra...
1161 
1932 H1818D Screen-gri... Europe 5-P... CDN Valvo GmbH...
1162 
1932 H1918D Screen-gri... Europe 5-P... CDN Valvo GmbH...
1163 
1932 H4111D Screen-gri... Europe 5-P... CDN Valvo GmbH...
1164 
1932 H4125D Screen-gri... Europe 5-P... CDN Valvo GmbH...
1165 
1932 HLA1 Triode, va... Europe 5-P... Standard T...
1166 
1932 L4150D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1167 
1932 LK7110 Triode, va... 4-socket G... CDN Valvo GmbH...
1168 
1932 LK7115 Triode, va... 4-socket G... CDN Valvo GmbH...
1169 
1932 NSS4 Screen-gri... Europe 5-P... Sator (bra...
1170 
1932 NVS4 Screen-gri... Europe 5-P... D Sator (bra...
1171 
1932 PT41 Vacuum Pen... Europe 5-P... A Cossor, A....
1172 
1932 PT41B Vacuum Pen... Europe 5-P... A Cossor, A....
1173 
1932 R1 Full-Wave ... Europe 4-P... ROK Brimar (ST... Standard T...
1174 
1932 REN1817d Dual-Grid ... Europe 5-P... CDN Telefunken...
1175 
1932 RENS1274 Screen-gri... Europe 5-P... CDN Telefunken...
1176 
1932 RENS1284 Vacuum Pen... Europe 5-P... CDN Telefunken...
1177 
1932 RENS1374d Vacuum Pen... Europe 5-P... CDN Telefunken...
1178 
1932 RENS1818 Screen-gri... Europe 5-P... CDN Telefunken...
1179 
1932 RENS1819 Screen-gri... Europe 5-P... CDN Telefunken...
1180 
1932 RENS351 Screen-gri... UY-Base, 5... Telefunken... RCA (RCA V...
1181 
1932 RGN1064 Full-Wave ... Europe 4-P... CDN Telefunken...
1182 
1932 RGN564 Half-Wave ... Europe 3-P... CDN Telefunken...
1183 
1932 U1718D Dual-Grid ... Europe 5-P... CDN Valvo GmbH...
1184 
1932 UZ-58A Vacuum Pen... 6-Pin-Base... Common typ...
1185 
1932 UZ58A Vacuum Pen... 6-Pin-Base... Common typ... RCA (RCA V...
1186 
1932 VDS Screen-gri... Europe 5-P... A Marconi-Os...
1187 
1932 Wunderlich Wunderlich... 6-Pin-Base... Arcturus R... Arcturus R...
1188 
1932 WunderlichA Wunderlich... 6-Pin-Base... ROK Arcturus R...
1189 
1932 WunderlichA-Auto Wunderlich... 6-Pin-Base... Arcturus R... Arcturus R...
1190 
1932 WunderlichB Wunderlich... 6-Pin-Base... ROK Arcturus R... Arcturus R...
1191 
1933 1815 Full-Wave ... Europe 4-P... NL Philips; E...
1192 
1933 1832 Half-Wave ... Europe 4-P... NL Philips; E...
1193 
1933 1861 Full-Wave ... Europe 4-P... NL Philips; E...
1194 
1933 1867 Full-Wave ... Europe 4-P... NL Philips; E...
1195 
1933 19 Double Tri... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1196 
1933 24NG High-vacuu... Europe 6-P... CDN Loewe-(Opt...
1197 
1933 25Z5 Full-Wave ... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1198 
1933 2A3 Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
1199 
1933 2A6 Double Dio... 6-Pin-Base... ROK Common typ... RCA (RCA V...
1200 
1933 2A7 Pentagrid-... 7-Pin-Base... ROK Common typ...
1201 
1933 2B6 MULTI-SYST... 7-Pin-Base... USA Arcturus R... Arcturus R...
1202 
1933 3NFL MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
1203 
1933 53 Double Tri... 7-Pin-Base... ROK Common typ...
1204 
1933 6A7 Pentagrid-... 7-Pin-Base... ROK Common typ...
1205 
1933 6B7 Double Dio... 7-Pin-Base... ROK Common typ...
1206 
1933 6C6 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1207 
1933 6D6 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1208 
1933 6D7 Vacuum Pen... 7-Pin-Base... ROK Majestic t...
1209 
1933 75 Double Dio... 6-Pin-Base... ROK Common typ...
1210 
1933 76 Triode, va... UY-Base, 5... ZA Common typ...
1211 
1933 77 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1212 
1933 78 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1213 
1933 79 Double Tri... 6-Pin-Base... ROK Common typ...
1214 
1933 958 Triode, va... Acorn 5 pi... ZA Common typ... RCA (RCA V...
1215 
1933 AB1 Double Diode Europe 5-P... EU Common typ...
1216 
1933 ACH1 Triode-Hex... Europe 7-P... D Common typ... Telefunken...
1217 
1933 AF2 Vacuum Pen... Europe 5-P... NL Philips; E...
1218 
1933 AN2127 Diode-Tetr... Europe 6-P... CDN Valvo GmbH...
1219 
1933 AN2718 Diode-Triode Europe 5-P... CDN Valvo GmbH...
1220 
1933 AN4092 Diode-Triode Europe 5-P... CDN Valvo GmbH...
1221 
1933 AN4126 Diode-Tetr... Europe 6-P... CDN Valvo GmbH...
1222 
1933 BL2 Vacuum Pen... Europe 5-P... EU Common typ...
1223 
1933 DHD Double Dio... British-7-... A MO Valve C...
1224 
1933 DP/Pen Vacuum Pen... British-7-... A Cossor, A....
1225 
1933 E443H Vacuum Pen... Europe 5-P... NL Philips; E...
1226 
1933 E444 Diode-Tetr... Europe 6-P... NL Philips; E...
1227 
1933 E444S Diode-Triode Europe 5-P... NL Philips; E...
1228 
1933 E447 Vacuum Pen... Europe 5-P... NL Philips; E...
1229 
1933 E448 HEXODE Europe 7-P... NL Philips; E... Telefunken...
1230 
1933 E449 HEXODE Europe 7-P... NL Philips; E... Telefunken...
1231 
1933 F443N Vacuum Pen... Europe 5-P... NL Philips; E...
1232 
1933 H2618D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1233 
1933 H4115D Screen-gri... Europe 5-P... CDN Valvo GmbH...
1234 
1933 H4128D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1235 
1933 H4129D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1236 
1933 L496D Vacuum Pen... Europe 5-P... CDN Valvo GmbH...
1237 
1933 MO44 Double Tet... Europe 7-P... CDN Loewe-(Opt...
1238 
1933 MS4B_Catkin Screen-gri... Europe 5-P... A Marconi-Os...
1239 
1933 REN1814 Triode, va... Europe 5-P... CDN Telefunken...
1240 
1933 REN1826 Diode-Triode Europe 5-P... CDN Telefunken...
1241 
1933 REN914 Triode, va... Europe 5-P... CDN Telefunken...
1242 
1933 REN924 Diode-Triode Europe 5-P... CDN Telefunken...
1243 
1933 RENS1224 HEXODE Europe 7-P... CDN Telefunken... Telefunken...
1244 
1933 RENS1234 HEXODE Europe 7-P... CDN Telefunken... Telefunken...
1245 
1933 RENS1254 Diode-Tetr... Europe 6-P... CDN Telefunken...
1246 
1933 RENS1294 Vacuum Pen... Europe 5-P... CDN Telefunken...
1247 
1933 RENS1824 HEXODE Europe 7-P... CDN Telefunken...
1248 
1933 RENS1834 HEXODE Europe 7-P... CDN Telefunken... Telefunken...
1249 
1933 RENS1884 Vacuum Pen... Europe 5-P... CDN Telefunken...
1250 
1933 RENS1894 Vacuum Pen... Europe 5-P... CDN Telefunken...
1251 
1933 RES964 Vacuum Pen... Europe 5-P... CDN Telefunken...
1252 
1933 SG2_362 Screen-gri... Europe 4-P... 362 Valve ...
1253 
1933 VDSB Screen-gri... Europe 5-P... A Marconi-Os...
1254 
1933 VMS4_Catkin Screen-gri... Europe 5-P... A Marconi-Os...
1255 
1933 VS2_362 Screen-gri... Europe 4-P... 362 Valve ...
1256 
1933 W2418 Triode, va... Europe 5-P... CDN Valvo GmbH...
1257 
1933 W4110 Triode, va... Europe 5-P... CDN Valvo GmbH...
1258 
1933 WG33 MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt...
1259 
1933 X2818 HEXODE Europe 7-P... CDN Valvo GmbH...
1260 
1933 X2918 HEXODE Europe 7-P... CDN Valvo GmbH...
1261 
1933 X4122 HEXODE Europe 7-P... CDN Valvo GmbH...
1262 
1933 X4123 HEXODE Europe 7-P... CDN Valvo GmbH...
1263 
1934 150T Transmitti... Jumbo 4-pi... ROK Eimac (bra... Eimac (bra...
1264 
1934 26NG High-vacuu... Europe 6-P... CDN Loewe-(Opt...
1265 
1934 368A Transmitti... TRANSMITTI... Western El...
1266 
1934 955 Triode, va... Acorn 5 pi... ROK Common typ... RCA (RCA V...
1267 
1934 AB2 Double Diode Europe sid... EU Common typ...
1268 
1934 ABC1 Double Dio... Europe sid... EU Common typ...
1269 
1934 AC/TP Triode-Pen... B9 British... Mazda = Va... Mazda = Va...
1270 
1934 AC2 Triode, va... Europe sid... EU Common typ...
1271 
1934 AF3 Vacuum Pen... Europe sid... EU Common typ...
1272 
1934 AF7 Vacuum Pen... Europe sid... EU Common typ...
1273 
1934 AH1 HEXODE Europe sid... EU Common typ...
1274 
1934 AK1 OCTODE Europe 7-P... D Common typ... Philips; E...
1275 
1934 AX1 Half-Wave ... Europe 4-P... NL Philips; E...
1276 
1934 B240 Double Tri... Europe 7-P... NL Philips; E... Philips; E...
1277 
1934 BB1 Double Diode Europe 5-P... D Telefunken...
1278 
1934 BCH1 Triode-Hex... Europe 7-P... EU Common typ... Telefunken...
1279 
1934 BK1 OCTODE Europe 7-P... Telefunken... Philips; E...
1280 
1934 C1 Current Re... Europe sid... NL Philips; E...
1281 
1934 C2 Current Re... Europe sid... NL Philips; E...
1282 
1934 C243 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
1283 
1934 C3 Current Re... Europe sid... EU Philips; E...
1284 
1934 C4 Current Re... Europe sid... NL Philips; E... Philips; E...
1285 
1934 CB1 Double Diode Europe sid... EU Common typ... Philips; E...
1286 
1934 CF1 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1287 
1934 CF2 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1288 
1934 CK1 OCTODE Europe sid... EU Common typ... Philips; E...
1289 
1934 CL1 Vacuum Pen... Europe sid... EU Common typ... Philips; E...
1290 
1934 CL2 Vacuum Pen... Europe sid... EU Common typ...
1291 
1934 CY1 Half-Wave ... Europe sid... EU Common typ...
1292 
1934 CY2 High-vacuu... Europe sid... EU Common typ...
1293 
1934 D418 Signal Dio... Europe 3-P... TW Tungsram; ... Tungsram; ...
1294 
1934 EB1 Double Diode Europe sid... NL Philips; E...
1295 
1934 EF1 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1296 
1934 EF2 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1297 
1934 EK1 OCTODE Europe sid... NL Philips; E... Philips; E...
1298 
1934 EL1 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
1299 
1934 EUVb Current Re... Osram GmbH...
1300 
1934 EZ1 Full-Wave ... Europe sid... EU Common typ... Philips; E...
1301 
1934 FZ1 Full-Wave ... Europe sid... EU Common typ... Philips; E...
1302 
1934 HP1018 Vacuum Pen... Europe 7-P... TW Tungsram; ...
1303 
1934 HP1118 Vacuum Pen... Europe 7-P... TW Tungsram; ...
1304 
1934 KBC1 Double Dio... Europe sid... EU Common typ...
1305 
1934 KC1_4pin Triode, va... Europe 4-P... EU Common typ... Telefunken...
1306 
1934 KF2 Vacuum Pen... Europe 7-P... ZA Common typ...
1307 
1934 KL1_5pin Vacuum Pen... Europe 5-P... EU Common typ... Telefunken...
1308 
1934 MH1118 Pentagrid-... Europe 7-P... TW Tungsram; ...
1309 
1934 N30 Screen-gri... British-7-... MO Valve C... Marconi-Os...
1310 
1934 PV3018 High-vacuu... Europe 6-P... TW Tungsram; ...
1311 
1934 QP240 Double Pen... B9 British... ZA Common typ...
1312 
1934 R3 Full-Wave ... Europe 4-P... ZA Brimar (ST... Standard T...
1313 
1934 TCL2 Vacuum Pen... Europe sid... Tungsram; ...
1314 
1934 TCY2 High-vacuu... Europe sid... Tungsram; ...
1315 
1934 TKL1_5pin Vacuum Pen... Europe 5-P... Tungsram; ... Telefunken...
1316 
1934 UF1 Vacuum Pen... Europe sid... F Dario (tub... Dario (tub...
1317 
1934 UF2 Vacuum Pen... Europe sid... F Dario (tub... Dario (tub...
1318 
1934 VG-1 Glow Indic... UX-Base (4... USA Sparton-Ca... Sparton-Ca...
1319 
1934 VMP4K Vacuum Pen... Europe 5-P... A Marconi-Os...
1320 
1934 VP2_362 Vacuum Pen... British-7-... 362 Valve ...
1321 
1934 W30 Vacuum Pen... British-7-... A MO Valve C... MO Valve C...
1322 
1934 WG34 MULTI-SYST... Loewe 12 pin CDN Loewe-(Opt... Loewe-(Opt...
1323 
1934 WG35 Diode-Tetr... Loewe 12 pin CDN Loewe-(Opt... Loewe-(Opt...
1324 
1934 WG36 MULTI-SYST... Loewe 12 pin CDN Loewe-(Opt... Loewe-(Opt...
1325 
1934 WG37 MULTI-SYST... Loewe 12 pin CDN Loewe-(Opt... Loewe-(Opt...
1326 
1935 13D1 Double Diode Europe sid... CDN Loewe-(Opt...
1327 
1935 13D2 Double Diode Europe sid... CDN Loewe-(Opt...
1328 
1935 13H1 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
1329 
1935 13H2 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
1330 
1935 13H3 HEXODE Europe sid... CDN Loewe-(Opt...
1331 
1935 13V1 Double Dio... Europe sid... CDN Loewe-(Opt...
1332 
1935 1875 Half-Wave ... Europe sid... NL Philips; E...
1333 
1935 1876 Half-Wave ... Europe sid... NL Philips; E...
1334 
1935 1877 Half-Wave ... Europe 4-P... NL Philips; E...
1335 
1935 1878 Half-Wave ... Edison big... NL Common typ...
1336 
1935 220VSG Screen-gri... Europe 4-P... A Cossor, A....
1337 
1935 24M2 Triode-Hex... Europe 7-P... CDN Loewe-(Opt...
1338 
1935 25A6 Vacuum Pen... Octal (Int... ROK Common typ...
1339 
1935 25Z5MG High-vacuu... Octal (Int... ROK Common typ... Triad Tele...
1340 
1935 30NG High-vacuu... Europe sid... CDN Loewe-(Opt...
1341 
1935 35/51 Screen-gri... UY-Base, 5... Common typ...
1342 
1935 4D1_Brimar Triode, va... British-7-... Standard T...
1343 
1935 50T Transmitti... UX-Base (4... ROK Common typ... Eimac (bra...
1344 
1935 5Y3 Full-Wave ... Octal (Int... ROK Common typ...
1345 
1935 5Z4 Full-Wave ... Octal (Int... ROK Common typ... RCA (RCA V...
1346 
1935 5Z4G Full-Wave ... Octal (Int... ROK Common typ... Arcturus R...
1347 
1935 6A8 Pentagrid-... Octal (Int... ROK Common typ...
1348 
1935 6B5 MULTI-SYST... 6-Pin-Base... ROK Common typ... Triad Tele...
1349 
1935 6C5 Triode, va... Octal (Int... ROK Common typ...
1350 
1935 6E5 Mag. Eye, ... 6-Pin-Base... ROK Common typ...
1351 
1935 6F5 Triode, va... Octal (Int... ROK Common typ...
1352 
1935 6F6 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1353 
1935 6G5 Mag. Eye, ... 6-Pin-Base... ROK Common typ...
1354 
1935 6H6 Double Diode Octal (Int... ROK Common typ... RCA (RCA V...
1355 
1935 6J7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1356 
1935 6K7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1357 
1935 6K7G Vacuum Pen... Octal (Int... ROK Common typ... Arcturus R...
1358 
1935 6K7MG Vacuum Pen... Octal (Int... ROK Common typ... Triad Tele...
1359 
1935 6L7 HEPTODE Octal (Int... ROK Common typ...
1360 
1935 6Q7 Double Dio... Octal (Int... ROK Common typ... RCA (RCA V...
1361 
1935 954 Vacuum Pen... Acorn 7 pi... ZA Common typ...
1362 
1935 A11B Half-Wave ... Europe 4-P... A Ever Ready...
1363 
1935 AC100 Triode, va... EU-Telepho... D Telefunken...
1364 
1935 AC102 Triode, va... EU-Telepho... Telefunken...
1365 
1935 AD1 Triode, va... Europe sid... EU Common typ...
1366 
1935 AK2 OCTODE Europe sid... EU Common typ...
1367 
1935 AL1 Vacuum Pen... Europe sid... EU Common typ...
1368 
1935 AL2 Vacuum Pen... Europe sid... NL Philips; E...
1369 
1935 AL3 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1370 
1935 APV4200 High-vacuu... Europe 4-P... TW Tungsram; ...
1371 
1935 AZ1 Full-Wave ... Europe sid... EU Common typ...
1372 
1935 C6 Current Re... Europe sid... NL Philips; E... Philips; E...
1373 
1935 C7 Current Re... Europe sid... NL Philips; E... Philips; E...
1374 
1935 CB2 Double Diode Europe sid... EU Common typ...
1375 
1935 CBC1 Double Dio... Europe sid... EU Common typ...
1376 
1935 CC2 Triode, va... Europe sid... EU Common typ...
1377 
1935 CF3 Vacuum Pen... Europe sid... EU Common typ...
1378 
1935 CF7 Vacuum Pen... Europe sid... EU Common typ...
1379 
1935 CH1 HEXODE Europe sid... EU Common typ...
1380 
1935 CW10_MOV CW-magnetron Europe 4-P... MO Valve C... MO Valve C...
1381 
1935 D41 Double Diode Europe 5-P... A MO Valve C... MO Valve C...
1382 
1935 DU4 Half-Wave ... Europe 3-P... A Mullard Ra...
1383 
1935 EC1 Triode, va... Europe sid... Philips; E... Philips; E...
1384 
1935 EC10/A Oscillosco...
1385 
1935 EC2 Triode, va... Europe sid... EU Common typ...
1386 
1935 EH1 HEXODE Europe sid... EU Common typ... Philips; E...
1387 
1935 KB1 Double Diode Europe sid... EU Common typ...
1388 
1935 KF7 Vacuum Pen... Europe sid... EU Common typ...
1389 
1935 KF8 Vacuum Pen... Europe sid... EU Common typ...
1390 
1935 KK2 OCTODE Europe sid... EU Common typ...
1391 
1935 KL2 Vacuum Pen... Europe sid... EU Common typ...
1392 
1935 NH1 HEXODE SPECIAL TU... Telefunken... Telefunken...
1393 
1935 OSW3118 Full-Wave ... Europe sid... Werk für F...
1394 
1935 OSW3119 Vacuum Pen... Europe sid... Werk für F...
1395 
1935 TAB2 Double Diode Europe sid... Tungsram; ...
1396 
1935 TABC1 Double Dio... Europe sid... Tungsram; ...
1397 
1935 TAF3 Vacuum Pen... Europe sid... Tungsram; ...
1398 
1935 TAF7 Vacuum Pen... Europe sid... Tungsram; ...
1399 
1935 TAH1 HEXODE Europe sid... Tungsram; ...
1400 
1935 TAL1 Vacuum Pen... Europe sid... Tungsram; ...
1401 
1935 TAL2 Vacuum Pen... Europe sid... Tungsram; ... Philips; E...
1402 
1935 TAZ1 Full-Wave ... Europe sid... Tungsram; ...
1403 
1935 TBC1 Double Dio... Europe sid... Dario (tub...
1404 
1935 TCB2 Double Diode Europe sid... Tungsram; ...
1405 
1935 TCC2 Triode, va... Europe sid... Tungsram; ...
1406 
1935 TCF7 Vacuum Pen... Europe sid... Tungsram; ...
1407 
1935 TCH1_Tungsram HEXODE Europe sid... Tungsram; ...
1408 
1935 U4020 Half-Wave ... Europe 5-P... A Mazda = Va...
1409 
1935 VC1 Triode, va... Europe sid... EU Common typ... Telefunken...
1410 
1935 VHT2 Pentagrid-... British-7-... A Ferranti, GB Ferranti, GB
1411 
1935 VHT4 Pentagrid-... British-7-... A Ferranti, GB
1412 
1935 VL1 Vacuum Pen... Europe sid... EU Common typ... Telefunken...
1413 
1935 VP2C Vacuum Pen... British-7-... A 362 Valve ...
1414 
1935 VY1 Half-Wave ... Europe sid... EU Common typ... Telefunken...
1415 
1935 WE22 Triode-Hex... Europe 7-P... HK Telefunken...
1416 
1935 WG41 HEXODE Europe sid... CDN Loewe-(Opt... Loewe-(Opt...
1417 
1936 0Z4 Full-Wave ... Octal (Int... ROK Common typ... Raytheon M...
1418 
1936 140NG Full-Wave ... Europe sid... CDN Loewe-(Opt...
1419 
1936 25L6 Beam Power... Octal (Int... ROK Common typ...
1420 
1936 25Z6 High-vacuu... Octal (Int... ROK Common typ...
1421 
1936 4673 Vacuum Pen... Europe sid... NL Philips; E...
1422 
1936 4H1 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
1423 
1936 4H2 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
1424 
1936 4H3 HEXODE Europe sid... CDN Loewe-(Opt...
1425 
1936 4M2 Triode-Hex... Europe 7-P... CDN Loewe-(Opt...
1426 
1936 4V1 Triode, va... Europe sid... D Loewe-(Opt...
1427 
1936 5U4G Full-Wave ... Octal (Int... ROK Common typ...
1428 
1936 5W4 Full-Wave ... Octal (Int... ROK Common typ...
1429 
1936 5X4G Full-Wave ... Octal (Int... ROK Common typ...
1430 
1936 5Y3G Full-Wave ... Octal (Int... ROK Common typ...
1431 
1936 6A8G Pentagrid-... Octal (Int... ROK Common typ...
1432 
1936 6B8 Double Dio... Octal (Int... ROK Common typ... Ken-Rad, T...
1433 
1936 6K6G Vacuum Pen... Octal (Int... ROK Common typ...
1434 
1936 6L6 Beam Power... Octal (Int... ROK Common typ...
1435 
1936 6L6G Beam Power... Octal (Int... ROK Common typ... RCA (RCA V...
1436 
1936 6Q7G Double Dio... Octal (Int... ROK Common typ...
1437 
1936 6R7 Double Dio... Octal (Int... CH Common typ...
1438 
1936 6R7G Double Dio... Octal (Int... ROK Common typ...
1439 
1936 6V6G Beam Power... Octal (Int... ROK Common typ...
1440 
1936 6X5 Full-Wave ... Octal (Int... ROK Common typ...
1441 
1936 956 Vacuum Pen... Acorn 7 pi... ZA Common typ... RCA (RCA V...
1442 
1936 9MH Television... Europe 7-P... Ediswan, S...
1443 
1936 AL4 Vacuum Pen... Europe sid... EU Common typ...
1444 
1936 AL4/375 Vacuum Pen... Europe sid... Common typ...
1445 
1936 AL5 Vacuum Pen... Europe sid... D Common typ...
1446 
1936 AM1 Mag. Eye, ... Europe sid... NL Common typ... Philips; E...
1447 
1936 AZ2 Full-Wave ... Europe sid... NL Philips It...
1448 
1936 AZ3 Full-Wave ... Europe sid... NL Philips Au...
1449 
1936 C12 Current Re... Europe sid... NL Philips; E... Philips; E...
1450 
1936 C8 Current Re... Europe sid... EU Philips; E... Philips; E...
1451 
1936 C9 Current Re... Europe sid... NL Common typ... Philips; E...
1452 
1936 CL4 Vacuum Pen... Europe sid... EU Common typ...
1453 
1936 D42 Signal Dio... Europe 4-P... A MO Valve C...
1454 
1936 EB2 Double Diode Europe sid... EU Common typ...
1455 
1936 EB4 Double Diode Europe sid... NL Philips; E... Philips; E...
1456 
1936 EBC1 Double Dio... Europe sid... EU Common typ... Telefunken...
1457 
1936 EBC3 Double Dio... Europe sid... NL Philips; E... Philips; E...
1458 
1936 EBF1 Double Dio... Europe sid... NL Philips Au... Philips; E...
1459 
1936 EF3 Vacuum Pen... Europe sid... EU Common typ... Telefunken...
1460 
1936 EF5 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1461 
1936 EF6 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
1462 
1936 EF7 Vacuum Pen... Europe sid... EU Common typ... Telefunken...
1463 
1936 EK2 OCTODE Europe sid... NL Philips; E... Philips; E...
1464 
1936 EL2 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
1465 
1936 EL3 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1466 
1936 EL5 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1467 
1936 EM1 Mag. Eye, ... Europe sid... NL Common typ... Philips; E...
1468 
1936 EZ2 Full-Wave ... Europe sid... NL Philips; E... Philips; E...
1469 
1936 EZ3 Full-Wave ... Europe sid... NL Philips; E... Philips; E...
1470 
1936 EZ4 Full-Wave ... Europe sid... NL Philips; E... Philips; E...
1471 
1936 G1404 Half-Wave ... Europe 4-P... CDN Valvo GmbH...
1472 
1936 KB2 Double Diode Europe sid... EU Common typ...
1473 
1936 KC1_p8 Triode, va... Europe sid... EU Common typ...
1474 
1936 KC3 Triode, va... Europe sid... EU Common typ...
1475 
1936 KDD1 Double Tri... Europe sid... EU Common typ...
1476 
1936 KF3 Vacuum Pen... Europe sid... EU Common typ...
1477 
1936 KF3_7pin Vacuum Pen... British-7-...
1478 
1936 KF4 Vacuum Pen... Europe sid... EU Philips; E...
1479 
1936 KL1_sidecontact Vacuum Pen... Europe sid... EU Common typ...
1480 
1936 KL4 Vacuum Pen... Europe sid... EU Philips; E...
1481 
1936 MEB4 Double Diode Europe sid... Marconi-Os... Philips; E...
1482 
1936 OSW3103 Vacuum Pen... Europe sid... Werk für F...
1483 
1936 RS291 Transmitti... SPECIAL TU... Telefunken...
1484 
1936 TAD1 Triode, va... Europe sid... Tungsram; ...
1485 
1936 TAL4 Vacuum Pen... Europe sid... Tungsram; ...
1486 
1936 TCL4 Vacuum Pen... Europe sid... Tungsram; ...
1487 
1936 TEBC3 Double Dio... Europe sid... Tungsram; ... Philips; E...
1488 
1936 TEF5 Vacuum Pen... Europe sid... Tungsram; ... Philips; E...
1489 
1936 TEF6 Vacuum Pen... Europe sid... Tungsram; ... Philips; E...
1490 
1936 TEZ2 Full-Wave ... Europe sid... Tungsram; ... Philips; E...
1491 
1936 TKC3 Triode, va... Europe sid... Tungsram; ...
1492 
1936 TKDD1 Double Tri... Europe sid... Tungsram; ...
1493 
1936 TKF3 Vacuum Pen... Europe sid... Tungsram; ...
1494 
1936 TKF4 Vacuum Pen... Europe sid... Tungsram; ...
1495 
1936 TKL1_p8 Vacuum Pen... Europe sid... Tungsram; ...
1496 
1937 203B Transmitti... Jumbo 4-pi... ROK Taylor Tub...
1497 
1937 25L6G Beam Power... Octal (Int... ROK Common typ...
1498 
1937 328A Vacuum Pen... 6-Pin-Base... ZA Western El... Western El...
1499 
1937 4683 Triode, va... Europe sid... NL Philips; E...
1500 
1937 4689 Vacuum Pen... Europe sid... NL Philips; E...
1501 
1937 4D1_Loewe Double Diode Europe sid... CDN Loewe-(Opt...
1502 
1937 50NG High-vacuu... German Ste... CDN Loewe-(Opt...
1503 
1937 5Y3GB Full-Wave ... Octal (Int... CH Common typ...
1504 
1937 6C8G Double Tri... Octal (Int... ROK Common typ... Ken-Rad, T...
1505 
1937 6J5 Triode, va... Octal (Int... ROK Common typ...
1506 
1937 6S5 Mag. Eye, ... 6-Pin-Base... ROK Rogers-Maj...
1507 
1937 6S7 Vacuum Pen... Octal (Int... ROK Common typ...
1508 
1937 6U5 Mag. Eye, ... 6-Pin-Base... ROK Common typ...
1509 
1937 6X6_single-cathode Mag. Eye, ... Octal (Int... ROK Rogers-Maj...
1510 
1937 ABL1 Double Dio... Europe sid... NL Philips; E...
1511 
1937 AC/Q Beam Power... British-7-... Hivac Ltd....
1512 
1937 AC/QA Beam Power... Octal (Int... Hivac Ltd....
1513 
1937 AH100 HEXODE Europe sid... D Telefunken... Telefunken...
1514 
1937 AM2 Mag. Eye, ... Europe sid... D Common typ... Telefunken...
1515 
1937 C/EM2 Mag. Eye, ... Europe sid... D Telefunken... Telefunken...
1516 
1937 C10 Current Re... Europe sid... EU Philips; E... Philips; E...
1517 
1937 CBL1 Double Dio... Europe sid... EU Philips; E... Philips; E...
1518 
1937 CK2 LOCKED OFF...
1519 
1937 D1_Mazda_GB Signal Dio... 3 pin wire... Mazda = Va...
1520 
1937 D63 Double Diode Octal (Int... A MO Valve C...
1521 
1937 EBL1 Double Dio... Europe sid... NL Common typ... Philips; E...
1522 
1937 EH2 HEPTODE Europe sid... NL Philips; E... Philips; E...
1523 
1937 FEM Field Emis... Edison big... Leybold; D...
1524 
1937 H63 Triode, va... Octal (Int... ZA Common typ...
1525 
1937 HVR2 Half-Wave ... Europe 4-P... A Mullard Ra...
1526 
1937 PX5 Triode, va... Europe 4-P... A Hivac Ltd.... Hivac Ltd....
1527 
1937 RS276 Transmitti... Europe 4-P... CDN Telefunken...
1528 
1937 RS289 Transmitti... Europe 5-P... CDN Telefunken...
1529 
1937 RS289spez Transmitti... Europe sid... CDN Telefunken...
1530 
1937 RV12P2000 Vacuum Pen... Side conta... CDN Telefunken... Telefunken...
1531 
1937 SR2_Triode Triode, va... Europe 4-P... A 362 Valve ...
1532 
1937 TH4A Triode-Hep... British-7-... TW Mullard Ra...
1533 
1937 VF7 Vacuum Pen... Europe sid... D Telefunken... Telefunken...
1534 
1937 W63 Vacuum Pen... Octal (Int... ROK Common typ...
1535 
1937 X63 Pentagrid-... Octal (Int... ZA Common typ...
1536 
1937 Y63 Mag. Eye, ... Octal (Int... A Osram-Valv...
1537 
1937 Z63 Vacuum Pen... Octal (Int... ROK Common typ...
1538 
1938 1882 Full-Wave ... Europe sid... CH Philips; E...
1539 
1938 1883 Full-Wave ... Europe sid... CH Philips; E...
1540 
1938 1A5G Vacuum Pen... Octal (Int... ROK Common typ...
1541 
1938 1H5G Diode-Triode Octal (Int... ROK Common typ...
1542 
1938 241NG Full-Wave ... German Ste... CDN Loewe-(Opt...
1543 
1938 24M3 Triode-Hex... Europe sid... CDN Loewe-(Opt...
1544 
1938 25L6GT Beam Power... Octal (Int... ROK Common typ...
1545 
1938 4051 Oscillosco... B9 British... Osram-Valv...
1546 
1938 4688 Vacuum Pen... Europe sid... NL Philips; E...
1547 
1938 4699 Vacuum Pen... Europe sid... NL Philips; E...
1548 
1938 4V2 SINGLE-DIO... Europe sid... D Loewe-(Opt...
1549 
1938 6E8G Triode-Hex... Octal (Int... CH Common typ...
1550 
1938 6J8G Triode-Hep... Octal (Int... ROK Common typ...
1551 
1938 6K8 Triode-Hex... Octal (Int... ROK Common typ... RCA (RCA V...
1552 
1938 6M6 Vacuum Pen... Octal (Int... CH Common typ...
1553 
1938 6Q7GT Double Dio... Octal (Int... ROK Common typ...
1554 
1938 6SK7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1555 
1938 6SQ7 Double Dio... Octal (Int... ROK Common typ... RCA (RCA V...
1556 
1938 6X5GT Full-Wave ... Octal (Int... ROK Common typ...
1557 
1938 AD1/350 Triode, va... Europe sid... D Telefunken...
1558 
1938 AL5/325 Vacuum Pen... Europe sid... D Telefunken...
1559 
1938 AL5/375 Vacuum Pen... Europe sid... NL Philips; E...
1560 
1938 AZ11 Full-Wave ... German Ste... D Common typ...
1561 
1938 AZ12 Full-Wave ... German Ste... D Telefunken...
1562 
1938 AZ31 Full-Wave ... Octal (Int... GB Mullard Ra...
1563 
1938 AZ32 Full-Wave ... Octal-8 GB... GB Common typ... Mullard Wi...
1564 
1938 AZ4 Full-Wave ... Europe sid... NL Philips; E...
1565 
1938 CCH1 Triode-Hex... Europe sid... D Telefunken... Telefunken...
1566 
1938 CK3 OCTODE Europe sid... EU Common typ... Philips; E...
1567 
1938 CL6 Vacuum Pen... Europe sid... EU Common typ... Philips; E...
1568 
1938 CY31 Half-Wave ... Octal (Int... GB Mullard Ra...
1569 
1938 DAS1 Screen-gri... Midget 4 p... A Mullard Ra...
1570 
1938 EAB1 Triple Diode Europe sid... NL Philips; E... Philips; E...
1571 
1938 EB11 Double Diode German Ste... D Telefunken... Telefunken...
1572 
1938 EB11_Prototyp Double Diode Telefunken... Telefunken...
1573 
1938 EBC11 Double Dio... German Ste... D Telefunken... Telefunken...
1574 
1938 EBC11_Prototyp Double Dio... Telefunken... Telefunken...
1575 
1938 EBC33 Double Dio... Octal (Int... GB Mullard Ra... Mullard Wi...
1576 
1938 EBF11 Double Dio... German Ste... D Telefunken... Telefunken...
1577 
1938 EBF11_Prototyp Double Dio... Telefunken... Telefunken...
1578 
1938 EBF11g Double Dio... German Ste... Telefunken... Telefunken...
1579 
1938 EBF2 Double Dio... Europe sid... EU Common typ...
1580 
1938 EBL31 Double Dio... Octal (Int... GB Mullard Ra... Mullard Wi...
1581 
1938 ECH11 Triode-Hex... German Ste... D Common typ... Telefunken...
1582 
1938 ECH2 Triode-Hep... Europe sid... NL Philips; E... Philips; E...
1583 
1938 EDD11 Double Tri... German Ste... D Telefunken... Telefunken...
1584 
1938 EDD11_Prototyp Double Tri... Telefunken... Telefunken...
1585 
1938 EE1 Secondary ... Europe sid... NL Philips; E... Philips; E...
1586 
1938 EF11 Vacuum Pen... German Ste... D Common typ... Telefunken...
1587 
1938 EF12 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1588 
1938 EF13 Vacuum Pen... German Ste... D Telefunken... Telefunken...
1589 
1938 EF8 HEXODE Europe sid... NL Philips; E... Philips; E...
1590 
1938 EF9 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1591 
1938 EFM1 Mag.Eye-Pe... Europe sid... NL Philips; E... Philips; E...
1592 
1938 EFM11 Mag.Eye-Pe... German Ste... D Telefunken... Telefunken...
1593 
1938 EK3 OCTODE Europe sid... NL Philips; E... Philips; E...
1594 
1938 EL11 Vacuum Pen... German Ste... D Common typ... Telefunken...
1595 
1938 EL12 Vacuum Pen... German Ste... D Common typ... Telefunken...
1596 
1938 EL32 Vacuum Pen... Octal (Int... GB Common typ... Mullard Wi...
1597 
1938 EL33 Vacuum Pen... Octal (Int... GB Common typ... Mullard Wi...
1598 
1938 EL6 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1599 
1938 EL6/425 Vacuum Pen... Europe sid... Valvo GmbH...
1600 
1938 ELL1 Double Pen... Europe sid... NL Common typ... Philips; E...
1601 
1938 EM3 Mag. Eye, ... Europe sid... GB Common typ... Mullard Wi...
1602 
1938 EZ11 Full-Wave ... German Ste... D Common typ... Telefunken...
1603 
1938 EZ11_Prototyp Full-Wave ... Telefunken... Telefunken...
1604 
1938 EZ12 Full-Wave ... German Ste... D Telefunken... Telefunken...
1605 
1938 HD23 Double Dio... Europe 5-P... A MO Valve C...
1606 
1938 KH1 HEXODE Europe sid... EU Common typ... Philips; E...
1607 
1938 KT33 Screen-gri... Octal (Int... A MO Valve C...
1608 
1938 KTZ41 Vacuum Pen... British-7-... A MO Valve C...
1609 
1938 L63 Triode, va... Octal (Int... A MO Valve C... MO Valve C...
1610 
1938 OSW3121 Full-Wave ... German Ste... Werk für F...
1611 
1938 RES1664d Vacuum Pen... Europe 5-P... CDN Telefunken...
1612 
1938 VCL11 Triode-Bea... German Ste... EU Common typ... Telefunken...
1613 
1938 VL4 Beam Power... Europe sid... EU Common typ... Telefunken...
1614 
1938 VY2 Half-Wave ... Europe sid... EU Common typ... Telefunken...
1615 
1938 WW313A Thyratron ... UX-Base (4... Bell Labs;...
1616 
1939 12A8G Pentagrid-... Octal (Int... ROK Common typ... National U...
1617 
1939 12C8 Double Dio... Octal (Int... ROK Common typ...
1618 
1939 12K8 Triode-Hex... Octal (Int... ROK Common typ...
1619 
1939 12Q7G Double Dio... Octal (Int... ROK Common typ... National U...
1620 
1939 12SA7 Pentagrid-... Octal (Int... ROK Common typ... RCA (RCA V...
1621 
1939 12SK7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1622 
1939 12SQ7 Double Dio... Octal (Int... ROK Common typ... RCA (RCA V...
1623 
1939 12SQ7GT Double Dio... Octal (Int... ROK Common typ...
1624 
1939 1630 HEXODE SPECIAL TU... ROK RCA (RCA V... RCA (RCA V...
1625 
1939 1LA6 Pentagrid-... Loctal-8, ... ROK Common typ...
1626 
1939 35Z5G High-vacuu... Octal (Int... ROK Common typ... National U...
1627 
1939 35Z5GT Half-Wave ... Octal (Int... ROK Common typ... Ken-Rad, T...
1628 
1939 4654 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1629 
1939 4694 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1630 
1939 50L6GT Beam Power... Octal (Int... ROK Common typ...
1631 
1939 6A6X Double Tri... 7-Pin-Base... Common typ...
1632 
1939 6A8GTX Pentagrid-... Octal (Int... ROK Hytron; Sa...
1633 
1939 6AC7 Vacuum Pen... Octal (Int... ROK Common typ...
1634 
1939 6AF7 Mag. Eye, ... Octal (Int... CH Common typ...
1635 
1939 6H8 Double Dio... Octal (Int... CH Common typ...
1636 
1939 6J5GT Triode, va... Octal (Int... ROK Common typ...
1637 
1939 6K8GT Triode-Hex... Octal (Int... ROK Common typ... Arcturus R...
1638 
1939 6R7GT Double Dio... Octal (Int... ROK Common typ...
1639 
1939 6SA7 Pentagrid-... Octal (Int... ROK Common typ... RCA (RCA V...
1640 
1939 6SA7GT Pentagrid-... Octal (Int... ROK Common typ...
1641 
1939 6SJ7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1642 
1939 6V6GT Beam Power... Octal (Int... ROK Common typ... Hytron; Sa...
1643 
1939 7B6 Double Dio... Loctal-8, ... ROK Common typ...
1644 
1939 AC101 Triode, va... Europe 5-P... D Telefunken...
1645 
1939 AD100 Triode, va... EU-Telepho... D Telefunken...
1646 
1939 AL5N UNKNOWN NL Common typ... Philips; E...
1647 
1939 AX50 Full-Wave ... Europe 4-P... NL Philips; E...
1648 
1939 AZ11N Full-Wave ... German Ste... NL Telefunken... Philips; E...
1649 
1939 AZ50 Full-Wave ... Europe 4-P... NL Philips; E...
1650 
1939 C13 Ballast Tu... Europe sid... NL Philips; E... Philips; E...
1651 
1939 CBL6 Double Dio... Europe sid... NL Philips; E... Philips; E...
1652 
1939 CF50 Vacuum Pen... Europe sid... EU Common typ... Philips; E...
1653 
1939 D43 Signal Dio... Europe 4-P... A MO Valve C...
1654 
1939 DF33 Vacuum Pen... Octal (Int... EU Common typ... Mullard Wi...
1655 
1939 DL33 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Wi...
1656 
1939 EA111 Half-Wave ... German Ste... D Common typ... Telefunken...
1657 
1939 EA50 Signal Dio... 3 pin wire... NL Common typ... Philips; E...
1658 
1939 EC50 Thyratron Europe sid... NL Common typ... Philips; E...
1659 
1939 ECH3 Triode-Hex... Europe sid... NL Common typ... Philips; E...
1660 
1939 ECH35 Triode-Hex... Octal (Int... GB Mullard Ra... Mullard Ra...
1661 
1939 ECL11 Triode-Bea... German Ste... D Telefunken... Telefunken...
1662 
1939 EE50 Secondary ... Loctal-9-P... NL Common typ... Philips; E...
1663 
1939 EF14 Vacuum Pen... German Ste... D Telefunken... Telefunken...
1664 
1939 EF36 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Wi...
1665 
1939 EF38 HEXODE Octal (Int... GB Mullard Ra... Mullard Ra...
1666 
1939 EF39 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Ra...
1667 
1939 EF50 Vacuum Pen... Loctal-9-P... NL Common typ... Philips; E...
1668 
1939 EL11N Vacuum Pen... German Ste... NL Philips; E...
1669 
1939 EL12spez Vacuum Pen... German Ste... D Telefunken... Telefunken...
1670 
1939 EL3/375 Vacuum Pen... Europe sid... Philips; E...
1671 
1939 EL3N Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1672 
1939 EM11 Mag. Eye, ... German Ste... D Telefunken... Telefunken...
1673 
1939 EM2 Mag. Eye, ... Europe sid... D Telefunken... Philips; E...
1674 
1939 EM4 Mag. Eye, ... Europe sid... NL Common typ... Philips; E...
1675 
1939 ES111 Vacuum Pen... German Ste... D Telefunken... Telefunken...
1676 
1939 KC4 Triode, va... Europe sid... EU Common typ... Philips; E...
1677 
1939 KCH1 Triode-Hex... Europe sid... EU Common typ... Telefunken...
1678 
1939 KL5 Vacuum Pen... Europe sid... EU Common typ...
1679 
1939 NT57T Transmitti... Wires A Common typ...
1680 
1939 UBF11 Double Dio... German Ste... EU Common typ... Telefunken...
1681 
1939 UCH11 Triode-Hex... German Ste... EU Common typ... Telefunken...
1682 
1939 UCL11 Triode-Bea... German Ste... EU Common typ... Telefunken...
1683 
1939 UY11 Half-Wave ... German Ste... EU Common typ... Telefunken...
1684 
1939 VF3 Vacuum Pen... Europe sid... D Telefunken...
1685 
1939 VL1a Vacuum Pen... D Telefunken... Telefunken...
1686 
1939 VT-127A Transmitti... SPECIAL TU... ROK Common typ...
1687 
1939 VT-128 HEPTODE SPECIAL TU... CDN Common typ...
1688 
1939 X61M Triode-Hex... Octal (Int... A Marconi-Os...
1689 
1940 1LC6 Pentagrid-... Loctal-8, ... ROK Common typ...
1690 
1940 1R5 Pentagrid-... Miniatur-7... USA Common typ...
1691 
1940 1S4 Vacuum Pen... Miniatur-7... ROK Common typ...
1692 
1940 1T4 Vacuum Pen... Miniatur-7... ROK Common typ...
1693 
1940 3S4 Vacuum Pen... Miniatur-7... ROK Common typ...
1694 
1940 6M7 Vacuum Pen... Octal (Int... CH Common typ...
1695 
1940 AD1/400 Triode, va... D Telefunken...
1696 
1940 AF100 Vacuum Pen... Side conta... D Telefunken...
1697 
1940 DAC21 Diode-Triode Octal (Int... EU Common typ... Philips; E...
1698 
1940 DAF11 Diode-Pent... German Ste... EU Common typ... Telefunken...
1699 
1940 DAH50 SPECIAL TU... Octal (Int... NL Philips; E... Philips; E...
1700 
1940 DBC21 Double Dio... Octal (Int... NL Philips; E... Philips; E...
1701 
1940 DC11 Triode, va... German Ste... EU Common typ... Telefunken...
1702 
1940 DCH11 Triode-Hex... German Ste... EU Common typ... Telefunken...
1703 
1940 DCH21 Triode-Hex... Octal (Int... EU Common typ... Philips; E...
1704 
1940 DDD11 Double Tri... German Ste... EU Common typ... Telefunken...
1705 
1940 DF11 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1706 
1940 DF21 Vacuum Pen... Octal (Int... EU Common typ... Philips; E...
1707 
1940 DF22 Vacuum Pen... Octal (Int... NL Philips; E...
1708 
1940 DK21 OCTODE Octal (Int... NL Philips; E... Philips; E...
1709 
1940 DL11 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1710 
1940 DL21 Vacuum Pen... Octal (Int... NL Philips; E... Philips; E...
1711 
1940 DL31 Vacuum Pen... Octal (Int... EU Common typ... Mullard Wi...
1712 
1940 DLL21 Double Pen... Octal (Int... EU Philips; E... Philips; E...
1713 
1940 DLL21_2,8Volt LOCKED OFF... Octal (Int... Philips; E... Philips; E...
1714 
1940 DM21 Mag. Eye, ... Octal (Int... NL Philips; E... Philips; E...
1715 
1940 ECF1 Triode-Pen... Europe sid... NL Common typ... Philips; E...
1716 
1940 ECH33 Triode-Hep... Octal (Int... GB Mullard Ra...
1717 
1940 ECH4 Triode-Hep... Europe sid... NL Philips; E... Philips; E...
1718 
1940 EL12/325 Vacuum Pen... German Ste...
1719 
1940 EL12/375 Vacuum Pen... German Ste... J Telefunken...
1720 
1940 EL50 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
1721 
1940 EL51 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1722 
1940 Sutton_tube Reflex Kly... Wires
1723 
1940 UBL1 Double Dio... Octal (Int... EU Common typ... Philips; E...
1724 
1940 UCH4 Triode-Hep... Octal (Int... EU Common typ... Philips; E...
1725 
1940 UF11 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1726 
1940 UF9 Vacuum Pen... Octal (Int... EU Common typ... Philips; E...
1727 
1940 UFM11 Mag. Eye, ... German Ste... EU Common typ... Telefunken...
1728 
1940 UL12 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1729 
1940 UM11 Mag. Eye, ... German Ste... EU Common typ... Telefunken...
1730 
1940 UM4 Mag. Eye, ... Octal (Int... EU Common typ... Philips; E...
1731 
1941 10E/501 Reflex Kly... Octal (Int...
1732 
1941 12SF7 Diode-Pent... Octal (Int... ROK Common typ... RCA (RCA V...
1733 
1941 708A Triode, va... SPECIAL TU... Western El... Western El...
1734 
1941 AZ21 Full-Wave ... Loctal-8, ... NL Philips; E... Philips; E...
1735 
1941 CV150 Klystron, ... EMI; Hayes... EMI; Hayes...
1736 
1941 CV35 Reflex Kly... Octal (Int... Common typ... EMI; Hayes...
1737 
1941 DAC25 Diode-Triode Loctal-8, ... NL Philips; E... Philips; E...
1738 
1941 DC25 Triode, va... Loctal-8, ... EU Common typ... Philips; E...
1739 
1941 DCH22 Triode-Hex... Loctal-8, ... NL Philips; E... Philips; E...
1740 
1941 DCH25 Triode-Hex... Loctal-8, ... NL Philips; E... Philips; E...
1741 
1941 DDD25 Double Tri... Loctal-8, ... NL Common typ... Philips; E...
1742 
1941 DF25 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1743 
1941 DF26 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1744 
1941 EBL21 Double Dio... Loctal-8, ... NL Philips; E... Philips; E...
1745 
1941 ECH21 Triode-Hep... Loctal-8, ... NL Philips; E... Philips; E...
1746 
1941 EF22 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1747 
1941 EF53 Vacuum Pen... Loctal-9-P... NL Philips; E... Philips; E...
1748 
1941 EFF50 Double Pen... Loctal-9-P... NL Philips; E... Philips; E...
1749 
1941 EFF51 Double Pen... Loctal-9-P... NL Philips; E... Philips; E...
1750 
1941 UBL21 Double Dio... Loctal-8, ... NL Common typ... Philips; E...
1751 
1941 UCH21 Triode-Hep... Loctal-8, ... NL