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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.
2034 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 Fleming - ... Fleming - ...
1907 AUDION_DeForest Gas Triode Edison, si... 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...
16 
1912 Triode_France Gas Triode Edison, si... F Métal; Fra...
17 
1913 B_Western Triode, va... Western El...
18 
1913 Liebenröhre_AEGklein Gas Triode D AEG (Radio...
19 
1913 Liebenröhre_S&Hgross Gas Triode OTHER TUBE... D Siemens; D...
20 
1913 Round_Type-C Gas Triode Swan-Bayon...
21 
1914 EVE173 Triode, va... Telefunken... D Telefunken...
22 
1914 EVN94 Triode, va... OTHER TUBE... D Telefunken... Telefunken...
23 
1914 M_Western Triode, va... UV-Base (4... Western El...
24 
1914 Papaleksi Gas Triode Swan-Bajon... Russische ... Russische ...
25 
1914 Papaleksi_2 Gas Triode Swan-Bajon... Russische ... Russische ...
26 
1914 Papaleksi_3 Gas Triode Swan-Bajon... Russische ... Russische ...
27 
1915 102A Triode, va... UV-Base (4... Western El...
28 
1915 AudioTron TRIODE (De... Wires USA Cunningham... Cunningham...
29 
1915 D_Marconi Triode, va... Edison (ca... Marconi Wi...
30 
1915 L_Western Triode, va... UV-Base (4... Western El...
31 
1915 Messerkontaktröhre TRIODE (De... Blade cont... D UNBEKANNTE...
32 
1915 Moorhead_1 Gas Triode Wires Moorhead L... Moorhead L...
33 
1915 V_Western Triode, va... UV-Base (4... Western El...
34 
1916 A_Messerkontakt Triode, va... Blade cont... D Siemens; D... Siemens; D...
35 
1916 Bontsch-Brujewitsch Gas Triode Swan-Bajon... Tversk Sta... Tversk Sta...
36 
1916 E4M Transmitti... Métal; Fra...
37 
1916 ER_Moorhead Gas Triode UV-Base (4... Moorhead L... Moorhead L...
38 
1916 ES1_Ediswan Triode, va... Ediswan, S...
39 
1916 Moorhead_Ext_Grid Gas Triode Wires Moorhead L... Moorhead L...
40 
1916 Q_Marconi Triode, va... No base Marconi's ...
41 
1916 R_England Triode, va... Europe 4-P... GB Common typ... BTH (B.T.H...
42 
1916 V24 Triode, va... OTHER TUBE... Marconi's ... Ediswan, S...
43 
1916 White-valve Triode, va... Swan-Bajon...
44 
1917 AUDION_Japan Gas Triode Tokyo Elec... Tokyo Elec...
45 
1917 A_BTH Triode, va... BTH (B.T.H...
46 
1917 CA_Pliotron Triode, va... UV-Base (4... General El... General El...
47 
1917 CF-185 Triode, va... OTHER TUBE... DeForest-T... DeForest-T...
48 
1917 CW-186 Triode, va... OTHER TUBE... Western El...
49 
1917 CW-933 Triode, va... UV-Base (4... Western El...
50 
1917 ER_Moorhead-1917 Gas Triode Wires Moorhead L... Moorhead L...
51 
1917 ER_Moorhead-Edison Gas Triode Edison (ca... Moorhead L... Moorhead L...
52 
1917 Gorizia Gas Triode Europe 4-P... Longoni, G... Majorana, ...
53 
1917 Holland Gas Triode Edison med... NL Holland (t... Holland (t...
54 
1917 K6 TRIODE (De... Blade cont... D AEG (Radio...
55 
1917 Mc Triode, va... Blade cont... D Siemens; D...
56 
1917 NT1 Transmitti... A Osram-Valv...
57 
1917 RS15_Huth Transmitti... OTHER TUBE... Huth, Sign... Huth, Sign...
58 
1917 RS30 Transmitti... Huth, Sign...
59 
1917 R_Moorhead Triode, va... Europe 4-P... Moorhead L...
60 
1917 SSI Screen-gri... Siemens; D...
61 
1917 SSII Screen-gri... Siemens; D...
62 
1917 SSIII Screen-gri... Siemens; D...
63 
1917 S_deForest Triode, va... Edison (ca... DeForest-T...
64 
1917 T1 Transmitti... Marconi-Os...
65 
1917 T2A Transmitti... Wires Osram-Valv... Osram-Valv...
66 
1917 T3_Osram Transmitti... Wires Osram-Valv... Osram-Valv...
67 
1917 VT-1 Triode, va... UV-Base (4... Western El... Western El...
68 
1917 VT-21 Triode, va... DeForest-T...
69 
1918 B_BTH Triode, va... Europe 4-P... BTH (B.T.H...
70 
1918 CG-1144 Transmitti... Jumbo 4-pi... General El... General El...
71 
1918 CG-1162 Triode, va... UV-Base (4... General El... General El...
72 
1918 CG-886 Triode, va... OTHER TUBE... General El... General El...
73 
1918 CG-890 Triode, va... UV-Base (4... General El... General El...
74 
1918 CG-916 Transmitti... TRANSMITTE... General El... General El...
75 
1918 C_Osram Triode, va... IS-1 (Inte... Osram-Valv... Osram-Valv...
76 
1918 G_Pliotron Triode, va... General El... General El...
77 
1918 Gleichrichter_gross Full-Wave ... Edison big... D Telefunken...
78 
1918 Gleichrichter_klein Gas Rectif... Edison big... D Telefunken...
79 
1918 Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
80 
1918 MSI Transmitti...
81 
1918 MSII Transmitti... TRANSMITTE... Radioröhre...
82 
1918 O_Western Triode, va... UV-Base (4...
83 
1918 R2A Gas Triode Europe 4-P... Osram-Valv...
84 
1918 RE11 Triode, va... Telefunken... CDN Telefunken...
85 
1918 RE11S Triode, va... Telefunken... Telefunken...
86 
1918 RS12 Transmitti... OTHER TUBE... Telefunken... Telefunken...
87 
1918 RS17 Transmitti... TRANSMITTE... Telefunken...
88 
1918 SE-1444_Moorhead Triode, va... UV-Base (4... Moorhead L... Moorhead L...
89 
1918 ST12 Triode, va... CDN TeKaDe (TK...
90 
1918 T4 Transmitti...
91 
1918 T4A Transmitti... Wires Osram-Valv... Osram-Valv...
92 
1918 U1_Osram Half-Wave ... Wires Osram-Valv... Osram-Valv...
93 
1918 U2_Osram Half-Wave ... Wires Osram-Valv... Osram-Valv...
94 
1918 VT-16 Triode, va... UV-Base (4... General El... General El...
95 
1918 VT2_Western Transmitti... Western El... Western El...
96 
1918 VT32_Moorhead Triode, va... Europe 4-P... Moorhead L...
97 
1919 212D_Western Transmitti... Western El... Western El...
98 
1919 215A Triode, va... OTHER TUBE... ROK Western El... Western El...
99 
1919 A_Donle Gas Triode Connecticu...
100 
1919 A_Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
101 
1919 A_Moorhead-spherical Triode, va... UV-Base (4... Moorhead L... Moorhead L...
102 
1919 A_Philips Gas Triode Edison med... Philips; E... Philips; E...
103 
1919 B_Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
104 
1919 B_Moorhead-Europe Gas Triode Europe 4-P... Moorhead L...
105 
1919 B_Moorhead-Shaw Gas Triode UV-Base (4... Moorhead L... Moorhead L...
106 
1919 B_Philips Gas Triode Edison med... Philips; E... Philips; E...
107 
1919 C-I_Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
108 
1919 CW-1344 Triode, va... OTHER TUBE... Common typ... Western El...
109 
1919 CW-38015 Triode, va... Peanut (WE... Western El... Western El...
110 
1919 CW1344 Triode, va... OTHER TUBE... Western El... Western El...
111 
1919 C_Donle Gas Triode UV-Base (4... Connecticu...
112 
1919 C_Moorhead Triode, va... UV-Base (4... Moorhead L... Moorhead L...
113 
1919 C_Philips Gas Triode Edison med... Philips; E... Philips; E...
114 
1919 D_Moorhead Gas Triode Wires Moorhead L...
115 
1919 E_Moorhead Triode, va... Europe 4-P... Moorhead L...
116 
1919 F_Moorhead Gas Triode Europe 4-P... Moorhead L...
117 
1919 G_Moorhead Triode, va... Europe 4-P... Moorhead L... Moorhead L...
118 
1919 MT1_Ediswan Transmitti... Ediswan, S... Marconi's ...
119 
1919 MT1_MOV Transmitti... Marconi-Os... Marconi's ...
120 
1919 MT2 Transmitti... TRANSMITTE... Ediswan, S... Marconi's ...
121 
1919 MT2C Transmitti... TRANSMITTE... Ediswan, S... Marconi's ...
122 
1919 MT3 Transmitti... TRANSMITTE... Ediswan, S... Marconi's ...
123 
1919 MT3F Transmitti... TRANSMITTE... Ediswan, S... Marconi's ...
124 
1919 MT4 Transmitti... Wires Ediswan, S... Marconi's ...
125 
1919 MT4_var Transmitti... Ediswan, S... Marconi's ...
126 
1919 MT5B Transmitti... TRANSMITTE... Ediswan, S... Marconi's ...
127 
1919 MT6 Transmitti... TRANSMITTE... Ediswan, S... Marconi's ...
128 
1919 PR1 Triode, va... Europe 4-P... Tversk Sta... Tversk Sta...
129 
1919 R4C Triode, va... Europe 4-P... GEC, Gener...
130 
1919 T5 Transmitti...
131 
1919 TypeA LOCKED OFF... UV-Base (4... Moorhead L... Moorhead L...
132 
1919 VT-5 Triode, va... Peanut (WE... Western El... Western El...
133 
1919 VT-Class-I Gas Triode UV-Base (4... Marconi Wi... Moorhead L...
134 
1919 VT-Class-II Triode, va... UV-Base (4... Marconi Wi... Moorhead L...
135 
1920 1D Transmitti... OTHER TUBE... DeForest-T...
136 
1920 1G Transmitti... OTHER TUBE... DeForest-T... DeForest-T...
137 
1920 1J Transmitti... OTHER TUBE... DeForest-T... DeForest-T...
138 
1920 1K Transmitti... OTHER TUBE... DeForest-T... DeForest-T...
139 
1920 A-P_Oscillator Triode, va... UV-Base (4... Moorhead L... Moorhead L...
140 
1920 A-P_Relais Triode, va... Moorhead L...
141 
1920 A-P_Transmitter Triode, va... UV-Base (4... Moorhead L...
142 
1920 C-300 Gas Triode UV-Base (4... Cunningham... General El...
143 
1920 C-302 Triode, va... UV-Base (4... Cunningham...
144 
1920 FE1_MO Screen-gri... OTHER TUBE... Marconi's ...
145 
1920 G_Western Transmitti... Jumbo 4-pi... Western El... Western El...
146 
1920 K_Mul Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
147 
1920 LVB Gas Triode Edison med... Heussen, M...
148 
1920 Neuvron-A Transmitti... Métal; Fra...
149 
1920 R7 Triode, va... IS-1 (Inte... Mullard Ra...
150 
1920 RAC3 Triode, va... OTHER TUBE... Radio Audi... Radio Lamp...
151 
1920 RS1 Transmitti... TRANSMITTE... Telefunken...
152 
1920 RS2_Telefunken Transmitti... Telefunken...
153 
1920 RS3_Telefunken Transmitti... Telefunken...
154 
1920 RS4_Telefunken Transmitti... Telefunken... CDN Telefunken...
155 
1920 RS5 Transmitti... OTHER TUBE... CDN Telefunken...
156 
1920 UV200 Gas Triode UV-Base (4... General El... General El...
157 
1920 UV201 Triode, va... UV-Base (4... General El... General El...
158 
1921 211A Transmitti... Western El...
159 
1921 A-P_Rectifier Half-Wave ... UV-Base (4... Moorhead L...
160 
1921 CW-1818 Transmitti... Western El... Western El...
161 
1921 ES2_Ediswan Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
162 
1921 ES4 Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
163 
1921 I-T-E-V Triode, va... Europe 4-P...
164 
1921 J-117-Connecticut Gas Triode Connecticu...
165 
1921 LT1 Triode, va... Europe 4-P... GB MO Valve C...
166 
1921 Q_Philips Space Char... Europe 4-P... Philips; E... Philips; E...
167 
1921 RMR Triode, va...
168 
1921 R_Radiotech Transmitti... La Radiote...
169 
1921 UV202 Transmitti... UV-Base (4... RCA (RCA V... General El...
170 
1921 UV203 Transmitti... RCA (RCA V... General El...
171 
1921 UV204_spherical Transmitti... TRANSMITTE... ROK General El...
172 
1921 UV216 Half-Wave ... UV-Base (4... RCA (RCA V...
173 
1922 101DW Triode, va... UV-Base (4... Western El... Western El...
174 
1922 102DW Triode, va... UV-Base (4... Western El...
175 
1922 104DW Triode, va... UV-Base (4... Western El...
176 
1922 214A High-vacuu... Western El...
177 
1922 216A Triode, va... UV-Base (4... Western El... Western El...
178 
1922 223A Triode, va... UV-Base (4... Western El...
179 
1922 AR_HF Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
180 
1922 AT25 Transmitti... Europe 4-P... Marconi-Os...
181 
1922 AT40 Transmitti... Europe 4-P... Marconi-Os...
182 
1922 B-I TRIODE (De... Europe 4-P... Philips; E...
183 
1922 B-II Triode, va... Europe 4-P... Philips; E... Philips; E...
184 
1922 B-III TRIODE (De... Europe 4-P... Philips; E...
185 
1922 C-I Gas Triode Edison med... Philips; E... Philips; E...
186 
1922 C-II_Ideezet Triode, va... Edison, si... Ideezet tu... Philips; E...
187 
1922 Donle-Detector Gas Triode Connecticu...
188 
1922 ERECT High-vacuu... Marconi-Os...
189 
1922 F_Philips Triode, va... Europe 4-P... Philips; E... Philips; E...
190 
1922 MR4_MOV Half-Wave ... Wires MO Valve C... Osram-Valv...
191 
1922 MT7A Transmitti... TRANSMITTE... Osram-Valv... Marconi's ...
192 
1922 MT7B Transmitti... Wires Osram-Valv... Marconi's ...
193 
1922 ORA Triode, va... Europe 4-P... Mullard Ra...
194 
1922 ORA-A Triode, va... Europe 4-P... Mullard Ra...
195 
1922 R4B_BTH Triode, va... Europe 4-P... BTH (B.T.H...
196 
1922 RAC LOCKED OFF... MO Valve C...
197 
1922 R_Marconi Triode, va... Europe 4-P... MO Valve C...
198 
1922 T250_MO Transmitti... Wires MO Valve C...
199 
1922 T30_MO Transmitti... Europe 4-P... MO Valve C...
200 
1922 UV199 Triode, va... UV199 ROK Common typ... General El...
201 
1922 UV201A Triode, va... UV-Base (4... General El... General El...
202 
1922 VE Space Char... Europe 4-P... Heussen, M... Heussen, M...
203 
1922 WB800 Current Re... Westinghou... Westinghou...
204 
1922 WD11 Triode, va... WD-base ROK Westinghou... Westinghou...
205 
1922 WR21 Triode, va... Europe 4-P... Westinghou... Westinghou...
206 
1922 X-ray_Philips X-ray tube OTHER TUBE... Philips; E... Philips; E...
207 
1923 219A High-vacuu... Western El...
208 
1923 4215A Triode, va... OTHER TUBE... A Standard T...
209 
1923 A-P_Solenoid TRIODE (De... UV-Base (4... Moorhead L...
210 
1923 AR23 TRIODE (De... Europe 4-P... CDN Loewe-(Opt...
211 
1923 ARDE Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
212 
1923 ARDE_HF Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
213 
1923 ARDE_LF Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
214 
1923 B2_BTH Triode, va... Europe 4-P... BTH (B.T.H...
215 
1923 B4H Triode, va... Europe 4-P... BTH (B.T.H...
216 
1923 B5H Triode, va... Europe 4-P... BTH (B.T.H...
217 
1923 D-VI Space Char... Europe 4-P... NL Philips; E... Philips; E...
218 
1923 DE2_Ediswan TRIODE (De... Ediswan, S...
219 
1923 DV1_1volt Triode, va... UV-Base (4... DeForest-T... DeForest-T...
220 
1923 DV2 Triode, va... UV-Base (4... DeForest-T... General El...
221 
1923 DV6A Triode, va... UV-Base (4... DeForest-T... DeForest-T...
222 
1923 E52 Transmitti... Europe 4-P... La Radiote...
223 
1923 E_SFR Triode, va... Europe 4-P... SFR (S.F.R...
224 
1923 LE229 TRIODE (De... Huth, Sign...
225 
1923 LF_double_green_D3 Triode, va... Europe 4-P... Mullard Ra...
226 
1923 LS3_MO Triode, va... Europe 4-P... Marconi-Os...
227 
1923 LS5 Triode, va... Europe 4-P... A Marconi-Os...
228 
1923 ORA-B Triode, va... IS-1 (Inte... Mullard Ra...
229 
1923 PA1_Mullard Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
230 
1923 PA2_Mullard Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
231 
1923 R3_RT Triode, va... Europe 4-P... La Radiote...
232 
1923 RA_Mullard Triode, va... Europe 4-P... Mullard Ra...
233 
1923 RE48 TRIODE (De... CDN Telefunken...
234 
1923 RT Transmitti... Dario (tub...
235 
1923 Sodion_S11 Gas Triode UV-Base (4... Connecticu...
236 
1923 Sodion_S13 Gas Triode OTHER TUBE... Connecticu...
237 
1923 UV203A Transmitti... RCA (RCA V...
238 
1923 UV213 Full-Wave ... UV-Base (4... RCA (RCA V...
239 
1923 WD12 Triode, va... UV-Base (4... ROK RCA (RCA V... Westinghou...
240 
1924 1-VOLT-ORA Triode, va... Mullard Ra...
241 
1924 205D Triode, va... UV-Base (4... Western El... Western El...
242 
1924 209_Marine Triode, va... Europe 4-P... Grammont (...
243 
1924 211D Transmitti... Jumbo 4-pi... Western El... Western El...
244 
1924 6/100 Triode, va... Europe 4-P... Métal; Fra... Métal; Fra...
245 
1924 A1 Triode, va... Microlux, ...
246 
1924 A_Magnavox Triode, va... Magnavox C...
247 
1924 B406 Triode, va... Europe 4-P... NL Philips; E...
248 
1924 B8 Triode, va... Europe 4-P... BTH (B.T.H...
249 
1924 C2_Microlux Triode, va... Microlux, ...
250 
1924 C3_Microlux Triode, va... Europe 4-P... Microlux, ...
251 
1924 CW-1818A Transmitti... UV-Base (4... Western El...
252 
1924 D-21_Sodion Gas Triode UV-Base (4... Connecticu...
253 
1924 DE11 Triode, va... Europe 4-P... Metropolit...
254 
1924 DE5_Marconi Triode, va... Europe 4-P... MO Valve C... Marconi-Os...
255 
1924 DF-ORA Triode, va... Mullard Ra...
256 
1924 DFA1 Triode, va... Europe 4-P... Mullard Ra...
257 
1924 DF_ORA Triode, va... Europe 4-P... Mullard Ra...
258 
1924 DG_Mullard Space Char... Europe 4-P... Mullard Ra...
259 
1924 DV2_Italy Transmitti... Europe 4-P... Common typ...
260 
1924 GF Triode, va... Europe 4-P... Métal; Fra...
261 
1924 HE4 Triode, va... Europe 4-P...
262 
1924 HE6 Triode, va... Europe 4-P...
263 
1924 K1_Thorpe Triode, va... Europe 4-P... Thorpe Rad... Thorpe Rad...
264 
1924 LA74 Triode, va... Europe 4-P... CDN Loewe-(Opt...
265 
1924 LA75 Triode, va... Europe 4-P... CDN Loewe-(Opt...
266 
1924 LE244 Triode, va... Europe 4-P... D Huth, Sign...
267 
1924 LF-ORA Triode, va... Mullard Ra...
268 
1924 LF_green Triode, va... Europe 4-P... Mullard Ra...
269 
1924 ONE-VOLT-ORA Triode, va... Europe 4-P... Mullard Ra...
270 
1924 PV2_Ediswan Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
271 
1924 R15 Triode, va... Europe 4-P... CH La Radiote...
272 
1924 R24 Triode, va... Europe 4-P... NL La Radiote...
273 
1924 R29 Triode, va... Europe 4-P... Dario (tub...
274 
1924 R31 Triode, va... Europe 4-P... CH La Radiote...
275 
1924 R36 Triode, va... Europe 4-P... CH La Radiote...
276 
1924 RE71 Triode, va... Europe 4-P... CDN Telefunken...
277 
1924 RE72 Triode, va... Telefunken... CDN Telefunken...
278 
1924 RE75 TRIODE (De... Europe 4-P... CDN Telefunken...
279 
1924 RE78 Triode, va... Telefunken... CDN Telefunken...
280 
1924 RE79 Triode, va... Europe 4-P... CDN Telefunken...
281 
1924 RE82 Space Char... EU-Telepho... CDN Telefunken...
282 
1924 RE83 Triode, va... Telefunken... CDN Telefunken...
283 
1924 RE84 Triode, va... Telefunken... CDN Telefunken... Siemens; D...
284 
1924 RE86 Triode, va... Telefunken... CDN Telefunken...
285 
1924 RE87 Space Char... Telefunken... CDN Telefunken...
286 
1924 RE88 Triode, va... UV-Base (4... CDN Telefunken...
287 
1924 RE89 Triode, va... Europe 4-P... CDN Telefunken...
288 
1924 RE96 Triode, va... Europe 4-P... CDN Telefunken...
289 
1924 RE97 Triode, va... Telefunken... CDN Telefunken...
290 
1924 R_Penton Triode, va... Europe 4-P...
291 
1924 Sodion_S14 Gas Triode UV-Base (4... Connecticu...
292 
1924 U110 Gas Triode Europe 4-P... D Radioröhre... Radioröhre...
293 
1924 U220 Gas Triode D Radioröhre...
294 
1924 U30 High-vacuu... British-7-... A MO Valve C...
295 
1924 UV210 Triode, va... RCA (RCA V...
296 
1924 VO Space Char... Europe 4-P... Grammont (... Grammont (...
297 
1925 0.06_Louden Triode, va...
298 
1925 01A Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
299 
1925 10 Triode, va... UX-Base (4... ROK Common typ...
300 
1925 1018 Half-Wave ... OTHER TUBE... NL Philips; E... Philips; E...
301 
1925 201A Triode, va... UX-Base (4... ROK Common typ... General El...
302 
1925 210_UX-Triode Triode, va... UX-Base (4... Common typ...
303 
1925 230D Triode, va... OTHER TUBE... Western El...
304 
1925 373 Half-Wave ... Europe 3-P... NL Philips; E...
305 
1925 99 Triode, va... UV199 ROK Common typ... General El...
306 
1925 A109 Triode, va... Europe 4-P... NL Philips; E...
307 
1925 A115 TRIODE (De... Europe 4-P... NL Philips; E...
308 
1925 A141 Space Char... Europe 4-P... Philips; E... Philips; E...
309 
1925 A206 Triode, va... Europe 4-P... NL Philips; E...
310 
1925 A209 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
311 
1925 A241 Space Char... Europe 4-P... NL Philips; E... Philips; E...
312 
1925 A341 Space Char... Europe 4-P... Philips; E... Philips; E...
313 
1925 A409 Triode, va... Europe 4-P... CDN Philips; E... Philips; E...
314 
1925 A410_Valvo Triode, va... Europe 4-P... D Valvo Radi...
315 
1925 A441 Space Char... Europe 4-P... NL Philips; E...
316 
1925 A45 Triode, va... Europe 4-P... Metropolit...
317 
1925 AX201A Triode, va... UX-Base (4... Airline, S... GEC, Gener...
318 
1925 A_CeCo Triode, va... UX-Base (4... CeCo (tube... General El...
319 
1925 B105 Triode, va... Europe 4-P... NL Philips; E...
320 
1925 B403 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
321 
1925 B404 Triode, va... Europe 4-P... NL Philips; E...
322 
1925 B409 Triode, va... Europe 4-P... NL Philips; E...
323 
1925 B415 Triode, va... Europe 4-P... NL Philips; E...
324 
1925 B415_Gruenberger Triode, va... Europe 4-P... Grünberger...
325 
1925 BH Full-Wave ... UX-Base (4... ROK Raytheon M... Raytheon M...
326 
1925 B_CeCo Triode, va... UX-Base (4... CeCo (tube... General El...
327 
1925 Bigrille-Ampli Space Char... Europe "B5... CH Grammont (...
328 
1925 C109 Triode, va... Europe 4-P... NL Philips; E...
329 
1925 CL172 Triode, va... Europe 4-P... Métal; Fra...
330 
1925 CX112 Triode, va... UX-Base (4... Cunningham... Westinghou...
331 
1925 CX301A Triode, va... UX-Base (4... ROK Cunningham... General El...
332 
1925 C_CeCo Triode, va... UV-Base (4... CeCo (tube... General El...
333 
1925 D105 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
334 
1925 DE3B Triode, va... Europe 4-P... MO Valve C...
335 
1925 DV3A Triode, va... UV199 DeForest-T...
336 
1925 DV5 Triode, va... UV-Base (4... DeForest-T... DeForest-T...
337 
1925 FE1_Louden Triode, va...
338 
1925 FE2_Louden Triode, va... Europe 4-P...
339 
1925 FE3_MO Space Char... Europe 4-P... Marconi-Os...
340 
1925 FER1_4Volt Triode, va... Europe 4-P...
341 
1925 FER2_4Volt Triode, va... Europe 4-P...
342 
1925 HF_Fotos Triode, va... Grammont (...
343 
1925 HL512 Triode, va... Europe 4-P... Burndept L...
344 
1925 HL565 Triode, va... Europe 4-P... Burndept L... Burndept L...
345 
1925 K4_Thorpe Space Char... OTHER TUBE...
346 
1925 K_Schott Triode, va... Telefunken... Schott und... Schott und...
347 
1925 L06 LOCKED OFF... Lorenz; Be...
348 
1925 L09 LOCKED OFF... Lorenz; Be...
349 
1925 LA101 Triode, va... Europe 4-P... CDN Loewe-(Opt...
350 
1925 LO0,1/50 Triode, va... Lorenz; Be...
351 
1925 LO6 Triode, va... Lorenz; Be...
352 
1925 LO9 Triode, va... Lorenz; Be...
353 
1925 LS1_MO Triode, va... Europe 4-P... MO Valve C...
354 
1925 LS2_MO Triode, va... Europe 4-P... Mullard Ra...
355 
1925 LV0,1/50 Triode, va... Telefunken... Lorenz; Be...
356 
1925 LV0,27/90 Triode, va... Telefunken... Lorenz; Be...
357 
1925 LV3,5/220 Triode, va... Lorenz; Be...
358 
1925 MOG TRIODE (De... Lorenz; Be...
359 
1925 Micro-Bigril Dual-Grid ... Europe "B5... La Radiote... Dario (tub...
360 
1925 Micro-Bigril_R43 Dual-Grid ... Europe "B5... La Radiote... Dario (tub...
361 
1925 Pyramid-1 Triode, va... Radions Lt...
362 
1925 Pyramid-2 Triode, va... Radions Lt...
363 
1925 R43 Dual-Grid ... Europe "B5... CH La Radiote...
364 
1925 R5V Triode, va... Europe 4-P... MO Valve C...
365 
1925 RE061 Triode, va... Europe 4-P... CDN Telefunken...
366 
1925 RE202 TRIODE (De... OTHER TUBE... CDN Telefunken...
367 
1925 RE205 Triode, va... UV-Base (4... CDN Telefunken... Telefunken...
368 
1925 RE209 Triode, va... Europe 4-P... CDN Telefunken...
369 
1925 RE212 Space Char... Europe 4-P... CDN Telefunken...
370 
1925 RE216 Screen-gri... CDN Telefunken...
371 
1925 RE81 TRIODE (De... CDN Telefunken...
372 
1925 RE95 Triode, va... Europe 4-P... CDN Telefunken...
373 
1925 Reflex Triode, va... Europe 4-P... CDN Radioröhre...
374 
1925 SP18 Triode, va... Europe 4-P... Metropolit...
375 
1925 SP18/G Triode, va... Europe 4-P... Metropolit...
376 
1925 SP18/R Triode, va... Europe 4-P... Metropolit... Metropolit...
377 
1925 SP18/RR Triode, va... Europe 4-P... Metropolit...
378 
1925 SP55/B Triode, va... Europe 4-P... Metropolit... Metropolit...
379 
1925 SX201A Triode, va... UX-Base (4... Sylvania (... GEC, Gener...
380 
1925 Telotron Triode, va... Europe 4-P... CDN Radioröhre...
381 
1925 U60 Gas Triode D Radioröhre...
382 
1925 UL550 Gas Triode Europe 4-P... D Radioröhre... Radioröhre...
383 
1925 UV196 Full-Wave ... UV-Base (4... Westinghou...
384 
1925 UV216A Half-Wave ... UV-Base (4... RCA (RCA V...
385 
1925 UV216B Half-Wave ... UV-Base (4... RCA (RCA V...
386 
1925 UX-199_code9 LOCKED OFF... UX-Base (4... Common typ...
387 
1925 UX-201-A_Japan Triode, va... UX-Base (4... Cymotron (... GEC, Gener...
388 
1925 UX112 Triode, va... UX-Base (4... Common typ... Westinghou...
389 
1925 UX171 Triode, va... UX-Base (4... ROK Common typ... General El...
390 
1925 UX199 Triode, va... UX-Base (4... ROK General El... General El...
391 
1925 UX200 Gas Triode UX-Base (4... Common typ... General El...
392 
1925 UX201A Triode, va... UX-Base (4... ROK Common typ... General El...
393 
1925 UX210 Triode, va... UX-Base (4... GB General El... General El...
394 
1925 UX213 Full-Wave ... UX-Base (4... ROK Common typ...
395 
1925 UX216B Half-Wave ... UX-Base (4... ROK Common typ...
396 
1925 VT-107 Beam Power... Octal (Int... Common typ...
397 
1925 VT105_TKD Triode, va... Europe 4-P... TeKaDe (TK...
398 
1925 VT107_TKD Triode, va... Europe 4-P... ROK TeKaDe (TK...
399 
1925 VT110_TKD Triode, va... Europe 4-P... CDN TeKaDe (TK...
400 
1925 W1_Cossor Triode, va... Europe 4-P... Cossor, A....
401 
1925 W3_Cossor Triode, va... Europe 4-P... Cossor, A....
402 
1925 WR LOCKED OFF... Cossor, A....
403 
1925 WR1 Triode, va... Europe 4-P... Cossor, A....
404 
1925 WR2 Triode, va... Europe 4-P... Cossor, A....
405 
1925 WX12 Triode, va... UX-Base (4... ROK RCA (RCA V... Westinghou...
406 
1925 ZGII Half-Wave ... Philips; E...
407 
1926 210HL_Cossor Triode, va... Europe 4-P... Cossor, A....
408 
1926 214D High-vacuu... Western El...
409 
1926 219D High-vacuu... Western El...
410 
1926 221D Triode, va... UV-Base (4... Western El...
411 
1926 235D Triode, va... UX-Base (4... Western El...
412 
1926 3NF MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt...
413 
1926 401_McCullough Triode, va... UX-Base (4... ROK Common typ... McCullough...
414 
1926 451 Full-Wave ... Europe 4-P... NL Philips; E...
415 
1926 452 Current Re... Europe 3-P... NL Philips; E... Philips; E...
416 
1926 525B TRIODE (De... Europe 4-P... Radions Lt...
417 
1926 525D SPECIAL TU... Radions Lt...
418 
1926 525H SPECIAL TU... Radions Lt...
419 
1926 71 Triode, va... UX-Base (4... ZA Common typ...
420 
1926 71A Triode, va... UX-Base (4... ROK Common typ...
421 
1926 A10 Triode, va... Europe 4-P... D Kremenezky...
422 
1926 A225 Triode, va... Europe 4-P... NL Philips; E...
423 
1926 A2_Radion Triode, va... Radions Lt...
424 
1926 A408 Triode, va... Europe 4-P... CDN Valvo Radi...
425 
1926 A425 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
426 
1926 A609 Triode, va... Europe 4-P... Philips; E... Philips; E...
427 
1926 A_Nelson Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
428 
1926 A_Radion Triode, va... Radions Lt...
429 
1926 B203 Triode, va... Europe 4-P... NL Philips; E...
430 
1926 B205 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
431 
1926 B605 Triode, va... UX-Base (4... Philips; E... Philips; E...
432 
1926 B6_Donle Gas Triode Donle-Bris...
433 
1926 CW-1819 Transmitti... Western El...
434 
1926 DE06HF Triode, va... Europe 4-P... Radions Lt...
435 
1926 DE06_Nelson Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
436 
1926 DE06_Radion Triode, va... Europe 4-P... Radions Lt... Radions Lt...
437 
1926 DE2_Nelson Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
438 
1926 DE34 Triode, va... Radions Lt...
439 
1926 DE34HF Triode, va... Europe 4-P... Radions Lt... Radions Lt...
440 
1926 DEA Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
441 
1926 DL2_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
442 
1926 DL4_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
443 
1926 DL5 Triode, va... UX-Base (4... DeForest-T... DeForest-T...
444 
1926 DL7_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
445 
1926 D_CeCo Half-Wave ... UV-Base (4... CeCo (tube... CeCo (tube...
446 
1926 Dex235 Triode, va... Europe 4-P... Economic E...
447 
1926 Dex240 Triode, va... Europe 4-P... Economic E...
448 
1926 Dex312 Triode, va... Europe 4-P... Economic E...
449 
1926 Dex376 Triode, va... Europe 4-P... Economic E...
450 
1926 Dex406 Triode, va... Europe 4-P... Economic E...
451 
1926 Dex412 Triode, va... Europe 4-P... Economic E...
452 
1926 Dex440 Triode, va... Europe 4-P...
453 
1926 Dex530 Triode, va... Europe 4-P... Economic E...
454 
1926 E_CeCo Triode, va... UX-Base (4... CeCo (tube... General El...
455 
1926 F704 Triode, va... Europe 4-P... NL Philips; E...
456 
1926 F_CeCo Triode, va... UX-Base (4... CeCo (tube... Westinghou...
457 
1926 GP Triode, va... Europe 4-P... Radions Lt... Radions Lt...
458 
1926 G_CeCo Triode, va... UX-Base (4... CeCo (tube... General El...
459 
1926 H406 Triode, va... Europe 4-P... CDN Valvo Radi...
460 
1926 H406_Neutron Triode, va... Europe 4-P... Neutron Lt...
461 
1926 HR High-vacuu... Wires DeForest-T... DeForest-T...
462 
1926 H_CeCo Gas Triode UX-Base (4... CeCo (tube... General El...
463 
1926 H_DeForest Transmitti... Wires DeForest-T... DeForest-T...
464 
1926 I_Western Transmitti... Western El...
465 
1926 J71 Triode, va... UX-Base (4... CeCo (tube... General El...
466 
1926 LSS_Triotron Triode, va... Europe 4-P... Triotron (... Triotron (...
467 
1926 Multivalve Triple Tri... OTHER TUBE... Emerson Ra... Cleartron ...
468 
1926 PO Transmitti... OTHER TUBE... DeForest-T... DeForest-T...
469 
1926 PR High-vacuu... OTHER TUBE... DeForest-T... DeForest-T...
470 
1926 P_deForest LOCKED OFF... DeForest-T...
471 
1926 R42 Triode, va... Europe 4-P... CH Dario (tub...
472 
1926 R85 Triode, va... Europe 4-P... CH Dario (tub...
473 
1926 RE034 Triode, va... Europe 4-P... D Telefunken...
474 
1926 RE054 Triode, va... Europe 4-P... CDN Telefunken...
475 
1926 RE062 Triode, va... Europe 4-P... CDN Telefunken...
476 
1926 RE062t Triode, va... Telefunken... CDN Telefunken...
477 
1926 RE064 TRIODE (De... Europe 4-P... D Telefunken...
478 
1926 RE064t Triode, va... Telefunken... CDN Telefunken...
479 
1926 RE072d Space Char... Europe 4-P... CDN Telefunken...
480 
1926 RE073d Space Char... Europe 4-P... CDN Telefunken...
481 
1926 RE074 Triode, va... Europe 4-P... CDN Telefunken...
482 
1926 RE134 Triode, va... Europe 4-P... D Telefunken...
483 
1926 RE144 Triode, va... Europe 4-P... CDN Telefunken...
484 
1926 RE144t TRIODE (De... Telefunken... CDN Telefunken...
485 
1926 RE152 Triode, va... Europe 4-P... CDN Telefunken...
486 
1926 RE152t Triode, va... Telefunken... CDN Telefunken...
487 
1926 RE154 Triode, va... Europe 4-P... D Telefunken...
488 
1926 RE154t Triode, va... Telefunken... CDN Telefunken...
489 
1926 RE504 Triode, va... Europe 4-P... CDN Telefunken...
490 
1926 RE504t Triode, va... Telefunken... CDN Telefunken...
491 
1926 REN1104 Triode, va... Europe 5-P... CDN Telefunken...
492 
1926 RS2 TRIODE (De... Europe 4-P... D Triotron (...
493 
1926 RS4_Triotron Triode, va... Europe 4-P... D Triotron (...
494 
1926 Radion X-ray tube OTHER TUBE... Phönix Rön... Phönix Rön...
495 
1926 SP55/R Triode, va... Europe 4-P... Metropolit... Metropolit...
496 
1926 SS4 TRIODE (De...
497 
1926 SS_Triotron Triode, va... Triotron (...
498 
1926 SV10 Triode, va... Triotron (...
499 
1926 SV7 Triode, va... Europe 4-P... Triotron (...
500 
1926 SX200A Gas Triode UX-Base (4... Sylvania (...
501 
1926 TR6E TRIODE (De... Europe 4-P... SER, AB Sv...
502 
1926 TS10 UNKNOWN Triotron (...
503 
1926 UV204A Transmitti... RCA (RCA V...
504 
1926 UV217B Half-Wave ... RCA (RCA V...
505 
1926 UX171A Triode, va... UX-Base (4... USA Common typ... General El...
506 
1926 UX200A Gas Triode UX-Base (4... ROK Common typ...
507 
1926 UX225 Triode, va... UX-Base (4... RCA (RCA V... Westinghou...
508 
1926 VIRAA Triode, va... Europe 4-P... Vereenigde... Vereenigde...
509 
1926 VIRAB UNKNOWN Europe 4-P... Vereenigde...
510 
1926 VIRAC Triode, va... Europe 4-P... Vereenigde... Vereenigde...
511 
1926 VIRAD Triode, va... Europe 4-P... Vereenigde...
512 
1926 WE4 Triode, va... Europe 4-P... D Triotron (...
513 
1927 1823 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
514 
1927 216A_Nissl Triode, va... UV-Base (4... Czeija, Ni...
515 
1927 22 Screen-gri... UX-Base (4... ROK Common typ... General El...
516 
1927 222 Screen-gri... UX-Base (4... Common typ... General El...
517 
1927 226 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
518 
1927 227 Triode, va... UY-Base, 5... ROK Common typ...
519 
1927 2504 Half-Wave ... Swan-Bajon... NL Philips; E...
520 
1927 26 Triode, va... UX-Base (4... ROK Common typ...
521 
1927 27 Triode, va... UY-Base, 5... ZA Common typ...
522 
1927 280 Full-Wave ... UX-Base (4... ROK Common typ...
523 
1927 2HF MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
524 
1927 2LO Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
525 
1927 3006 Half-Wave ... Europe 3-P... NL Philips; E... Philips; E...
526 
1927 3NFB MULTI-SYST... Loewe Bajo... Loewe-(Opt... Loewe-(Opt...
527 
1927 505 Half-Wave ... Europe 3-P... NL Philips; E...
528 
1927 506 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
529 
1927 506K Full-Wave ... Europe 4-P... Philips; E...
530 
1927 608 Triode, va... UX-Base (4... Marathon (...
531 
1927 608R Triode, va... UX-Base (4... Marathon (...
532 
1927 630_Marathon Triode, va... UX-Base (4... Marathon (...
533 
1927 80 Full-Wave ... UX-Base (4... ROK Common typ...
534 
1927 A11 Triode, va... Europe 4-P... D Kremenezky...
535 
1927 A15 Triode, va... Europe 4-P... Kremenezky...
536 
1927 A235 Screen-gri... UY-Base, 5... CH Visseaux /...
537 
1927 A415 Triode, va... Europe 4-P... NL Philips; E...
538 
1927 A435 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
539 
1927 A442 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
540 
1927 AC-22 Triode, va... UX-Base (4... Arcturus; ... Arcturus; ...
541 
1927 AC-26 Triode, va... UX-Base (4... Arcturus; ... Arcturus; ...
542 
1927 AC-28 Triode, va... UX-Base (4... Arcturus; ... Arcturus; ...
543 
1927 AC-30 Triode, va... UX-Base (4... Arcturus; ... Arcturus; ...
544 
1927 AC-31 Triode, va... UX-Base (4... Arcturus; ... Arcturus; ...
545 
1927 AC-32 Triode, va... UX-Base (4... Arcturus; ... Arcturus; ...
546 
1927 AC-46 Triode, va... UX-Base (4... Arcturus; ...
547 
1927 AY225 Triode, va... UY-Base, 5... RCA (RCA V...
548 
1927 AY227 Triode, va... UY-Base, 5... RCA (RCA V...
549 
1927 B10 Space Char... Europe 4-P... D Kremenezky...
550 
1927 B11 Space Char... Europe 4-P... D Kremenezky...
551 
1927 B12 Triode, va... BTH (B.T.H...
552 
1927 B21_BTH UNKNOWN BTH (B.T.H...
553 
1927 B22_BTH UNKNOWN BTH (B.T.H...
554 
1927 B23_BTH UNKNOWN BTH (B.T.H...
555 
1927 B405 Triode, va... Europe 4-P... NL Philips; E...
556 
1927 B424 Triode, va... Europe 4-P... NL Philips; E...
557 
1927 B438 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
558 
1927 B442 Screen-gri... Europe 4-P... NL Philips; E...
559 
1927 B443 Vacuum Pen... Europe 5-P... NL Philips; E...
560 
1927 B8_Donle Gas Triode Donle-Bris...
561 
1927 B9_Kremenezky Space Char... Europe 4-P... Kremenezky...
562 
1927 C142 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
563 
1927 D-01A Triode, va... UX-Base (4... DeForest-T... General El...
564 
1927 D-G Half-Wave ... UX-Base (4... CeCo (tube...
565 
1927 D143 Vacuum Pen... Europe 4-P... NL Philips; E... Philips; E...
566 
1927 D243 Vacuum Pen... Europe 5-P... NL Philips; E...
567 
1927 D404 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
568 
1927 DES625 LOCKED OFF...
569 
1927 DL14_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
570 
1927 DL15_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
571 
1927 DL3_deForest Triode, va... UX-Base (4... DeForest-T...
572 
1927 DL9_deForest Triode, va... UX-Base (4... DeForest-T...
573 
1927 DM15 Space Char... Europe 4-P... NL Radio-Reco... Radio-Reco...
574 
1927 DM300_old Space Char... Europe 4-P... NL Radio-Reco... Radio-Reco...
575 
1927 DP-10 Gas Triode Donle-Bris...
576 
1927 DP-11 Gas Triode Donle-Bris...
577 
1927 DR-1V Gas Triode Donle-Bris...
578 
1927 DR_deForest Half-Wave ... UX-Base (4... DeForest-T...
579 
1927 DV26/2 Triode, va... Europe 4-P... Spanner Gm...
580 
1927 DV26/4 TRIODE (De... Europe 4-P... Spanner Gm...
581 
1927 DV27/2 TRIODE (De... Europe 4-P... Spanner Gm...
582 
1927 DV27/2H TRIODE (De... Europe 4-P... Spanner Gm...
583 
1927 DV27/4 Triode, va... Europe 4-P... Spanner Gm...
584 
1927 DV52/2 Triode, va... Europe 4-P... Spanner Gm...
585 
1927 DV52/4 Triode, va... Europe 4-P... Spanner Gm...
586 
1927 DV7 Triode, va... UV-Base (4... DeForest-T... DeForest-T...
587 
1927 F215 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
588 
1927 GT130 Full-Wave ... Europe 4-P... CDN TeKaDe (TK...
589 
1927 GT138 Half-Wave ... Europe 3-P... CDN TeKaDe (TK...
590 
1927 H206 TRIODE (De... Europe 4-P... CDN Valvo Radi...
591 
1927 H412 Triode, va... Europe 4-P... D Triotron (...
592 
1927 II TRIODE (De... Europe 4-P... Nowak & Co...
593 
1927 III Triode, va... Europe 4-P... Nowak & Co...
594 
1927 IIIa Triode, va... Europe 4-P... Nowak & Co...
595 
1927 IIa Triode, va... Europe 4-P... Nowak & Co...
596 
1927 I_Nowak Triode, va... Nowak & Co...
597 
1927 Ia Triode, va... Nowak & Co...
598 
1927 KH1_MO Triode, va... Europe 4-P... Marconi-Os...
599 
1927 K_CeCo Triode, va... UX-Base (4... CeCo (tube... CeCo (tube...
600 
1927 L215 Triode, va... Europe 4-P... CDN Valvo Radi...
601 
1927 L25 Triode, va... Europe 4-P... Kremenezky...
602 
1927 L410 Triode, va... Europe 4-P... A Valvo Radi...
603 
1927 L414 Triode, va... Europe 4-P... TW Valvo Radi...
604 
1927 L415 Triode, va... Europe 4-P... TW Valvo Radi...
605 
1927 L418 TRIODE (De... Europe 4-P... D Nowak & Co...
606 
1927 M104 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
607 
1927 M144 Triode, va... Europe 4-P... NL Radio-Reco...
608 
1927 M15 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
609 
1927 M300 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
610 
1927 M350 Triode, va... Europe 4-P... NL Radio-Reco...
611 
1927 M72 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
612 
1927 M_Ediswan UNKNOWN Europe 4-P... Ediswan, S...
613 
1927 Mikro TRIODE (De... Europe 4-P... CDN Hova-Röhre...
614 
1927 Mikrotron Full-Wave ... Europe 4-P... Valvo Radi...
615 
1927 N406 Triode, va... Europe 4-P... CDN Valvo Radi...
616 
1927 NZ420 Double Tri... OTHER TUBE... CDN Valvo Radi...
617 
1927 PV1_Nowak Triode, va... Nowak & Co...
618 
1927 PV2_Nowak Triode, va... Nowak & Co...
619 
1927 Polytron-4fach Quad Triode OTHER TUBE... D Spanner Gm... Spanner Gm...
620 
1927 R202 Half-Wave ... Europe 4-P... NL Radio-Reco... Radio-Reco...
621 
1927 R215 TRIODE (De... Europe 4-P... NL VATEA; Bud...
622 
1927 R22 Full-Wave ... Europe 4-P... CDN Rectron Gm... Rectron Gm...
623 
1927 R220 Full-Wave ... Europe 4-P... CDN Rectron Gm...
624 
1927 R33 Full-Wave ... Europe 4-P... CDN Rectron Gm...
625 
1927 R44 Full-Wave ... Europe 4-P... CDN Rectron Gm...
626 
1927 R636 Triode, va... Europe 4-P... Dario (tub...
627 
1927 R643 Dual-Grid ... Europe "B5... Dario (tub...
628 
1927 R655 Triode, va... Europe 4-P... Dario (tub...
629 
1927 R656 Triode, va... Europe 4-P... Dario (tub...
630 
1927 RCA30 LOCKED OFF... RCA (RCA V...
631 
1927 RE052 Triode, va... Europe 4-P... CDN Telefunken...
632 
1927 RE052t Triode, va... Telefunken... CDN Telefunken...
633 
1927 RE084 Triode, va... Europe 4-P... CDN Telefunken...
634 
1927 RE1 Space Char... EU-Telepho... CDN Telefunken...
635 
1927 RE124 Triode, va... Europe 4-P... CDN Telefunken...
636 
1927 RE352 Triode, va... Europe 4-P... CDN Telefunken...
637 
1927 RE354 Triode, va... Europe 4-P... CDN Telefunken...
638 
1927 REN1004 Triode, va... Europe 5-P... CDN Telefunken...
639 
1927 RENS1204 Screen-gri... Europe 5-P... D Telefunken...
640 
1927 RGN1503 Full-Wave ... Europe 4-P... D Telefunken...
641 
1927 RGN1504 Full-Wave ... Europe 4-P... CDN Telefunken...
642 
1927 RO Transmitti... TRANSMITTE... DeForest-T... DeForest-T...
643 
1927 RRR134 Half-Wave ... Europe 3-P... Radio-Reco...
644 
1927 RRR245 Full-Wave ... Europe 4-P... NL Radio-Reco...
645 
1927 R_deForest LOCKED OFF... DeForest-T...
646 
1927 S625 Screen-gri... OTHER TUBE... A MO Valve C... MO Valve C...
647 
1927 SE Transmitti... Nowak & Co...
648 
1927 ST21 Triode, va... Europe 4-P... Scott - Ta...
649 
1927 ST22 Triode, va... Europe 4-P... Scott - Ta...
650 
1927 ST23 Triode, va... Europe 4-P... Scott - Ta...
651 
1927 ST41 Triode, va... Europe 4-P... Scott - Ta...
652 
1927 ST42 Triode, va... Europe 4-P... Scott - Ta...
653 
1927 ST43 Triode, va... Europe 4-P... Scott - Ta...
654 
1927 ST61A Triode, va... Europe 4-P... Scott - Ta...
655 
1927 ST61B Triode, va... Europe 4-P... Scott - Ta...
656 
1927 ST62 Triode, va... Europe 4-P... Scott - Ta...
657 
1927 ST63 Triode, va... Europe 4-P... Scott - Ta...
658 
1927 T106 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
659 
1927 TP2_Vatea Triode, va... Europe 4-P... VATEA; Bud...
660 
1927 TP3 Triode, va... Europe 4-P... GB VATEA; Bud...
661 
1927 TP3_Vita Triode, va... Europe 4-P... Vita; Buda...
662 
1927 TP4_Vatea Triode, va... Europe 4-P...
663 
1927 U208D Space Char... Europe 4-P... CDN Valvo Radi...
664 
1927 U408D Space Char... Europe 4-P... CDN Valvo Radi...
665 
1927 U410 Triode, va... Europe 4-P...
666 
1927 UV217 Half-Wave ... RCA (RCA V...
667 
1927 UV217C Half-Wave ... RCA (RCA V...
668 
1927 UX222 Screen-gri... UX-Base (4... ROK Common typ... General El...
669 
1927 UX226 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
670 
1927 UX240 Triode, va... UX-Base (4... ROK Common typ... General El...
671 
1927 UX280 Full-Wave ... UX-Base (4... ROK RCA (RCA V...
672 
1927 UX281 Half-Wave ... UX-Base (4... ROK Common typ... Westinghou...
673 
1927 UY227 Triode, va... UY-Base, 5... Common typ... Westinghou...
674 
1927 VT-112 Vacuum Pen... Octal (Int... ROK Common typ...
675 
1927 VT-122 Transmitte... CDN Common typ...
676 
1927 VT-124 Vacuum Pen... Octal (Int... ROK Common typ...
677 
1927 VT-132 Triode-Hex... Octal (Int... ROK Common typ...
678 
1927 VT-133 Double Dio... Octal (Int... ROK Common typ...
679 
1927 VT-134 Beam Power... Octal (Int... ROK Common typ...
680 
1927 VT-137 Triode, va... Octal (Int... ROK Common typ...
681 
1927 VT-141 Half-Wave ... CDN Common typ...
682 
1927 VT-142 TRANSMITTI... ROK Common typ...
683 
1927 VT111_TKD TRIODE (De... Europe 4-P... ROK TeKaDe (TK...
684 
1927 VT121_TKD Triode, va... Europe 4-P... ROK TeKaDe (TK...
685 
1927 VT123 Double Tri... CDN Common typ...
686 
1927 VT128_TKD Triode, va... Europe 4-P... TeKaDe (TK...
687 
1927 VT129_TKD TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
688 
1927 VT139_TKD Triple Tri... OTHER TUBE... D TeKaDe (TK...
689 
1927 W206 TRIODE (De... Europe 4-P... CDN Valvo Radi...
690 
1927 W406 Triode, va... Europe 4-P... NL Valvo Radi...
691 
1927 W412 TRIODE (De... Europe 4-P... D Triotron (...
692 
1927 WP3 Triode, va... VATEA; Bud...
693 
1927 ZM144 Double Tri... Europe 4-P... NL Radio-Reco... Radio-Reco...
694 
1927 М-400 Transmitti... NL Common typ...
695 
1928 126H Triode, va... Arcturus; ... Arcturus; ...
696 
1928 1560 Full-Wave ... Europe 4-P... NL Philips; E...
697 
1928 1561 Full-Wave ... Europe 4-P... NL Philips; E...
698 
1928 1562 Half-Wave ... Europe 4-P... NL Philips; E...
699 
1928 1904 Current Re... Europe 4-P... NL Philips; E...
700 
1928 224S Screen-gri... Rogers-Maj...
701 
1928 227S Triode, va... UY-Base, 5... Rogers-Maj...
702 
1928 2506 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
703 
1928 2G412 Dual-Grid ... Lutece-Lum...
704 
1928 2GS Dual-Grid ... Lutece-Lum...
705 
1928 2L20 Triode, va... Europe 4-P... CDN TeKaDe (TK...
706 
1928 2NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
707 
1928 2U15 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
708 
1928 4A15_Ultron Dual-Grid ... Europe 5-P... CH Ultron (tu...
709 
1928 4L15 Triode, va... Europe 4-P... CDN TeKaDe (TK...
710 
1928 4N08 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
711 
1928 4W08 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
712 
1928 50 Triode, va... UX-Base (4... ROK Common typ...
713 
1928 501_Sovereign Triode, va... Sovereign ...
714 
1928 A1404 Triode, va... Cyrnos (br...
715 
1928 A2403 Triode, va... Cyrnos (br...
716 
1928 A4100 Triode, va... Europe 5-P... CDN Valvo Radi...
717 
1928 A411S Triode, va... Europe 4-P...
718 
1928 A414K Triode, va... Europe 4-P... NL Philips; E...
719 
1928 A416 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
720 
1928 AC-40 Triode, va... UX-Base (4... Arcturus; ... Arcturus; ...
721 
1928 AC/S Vacuum Pen... Metropolit...
722 
1928 AL1203 Triode, va... Cyrnos (br...
723 
1928 B3510 Vacuum Pen... Cyrnos (br...
724 
1928 B443S Vacuum Pen... Europe 5-P... NL Philips; E...
725 
1928 B5008 Vacuum Pen... Cyrnos (br...
726 
1928 B507 Full-Wave ... Europe 4-P... Lutece-Lum...
727 
1928 B515 Full-Wave ... Europe 4-P... Lutece-Lum...
728 
1928 B543 Vacuum Pen... Europe 5-P... NL Philips; E...
729 
1928 C-485 Triode, va... UY-Base, 5... Sparton-Ca... Sparton-Ca...
730 
1928 C-686 Triode, va... UY-Base, 5... Sparton-Ca...
731 
1928 C135 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
732 
1928 C443 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
733 
1928 C643 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
734 
1928 DEH410 Triode, va... Europe 4-P... A Marconi-Os...
735 
1928 DEH610 Triode, va... Marconi-Os...
736 
1928 DEL210 Triode, va... Europe 4-P... A Marconi-Os...
737 
1928 DEL610 Triode, va... Europe 4-P... Marconi-Os...
738 
1928 DEP215 Triode, va... Europe 4-P... A Marconi-Os...
739 
1928 DEP240 Triode, va... Europe 4-P... Marconi-Os...
740 
1928 DEP410 Triode, va... Europe 4-P... A Marconi-Os...
741 
1928 DEP610 Triode, va... Europe 4-P... Marconi-Os...
742 
1928 DU10 Half-Wave ... Europe 4-P... A Mullard Ra...
743 
1928 DU2 Full-Wave ... Europe 4-P... A Mullard Ra...
744 
1928 E406 Triode, va... Europe 4-P... NL Philips; E...
745 
1928 E406N Triode, va... Europe 4-P... NL Philips; E...
746 
1928 E408 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
747 
1928 E408N Triode, va... Europe 4-P... NL Philips; E... Philips; E...
748 
1928 E409 Triode, va... Europe 5-P... NL Philips; E...
749 
1928 E409N Triode, va... Europe 5-P... NL Philips; E...
750 
1928 E415 Triode, va... Europe 5-P... NL Philips; E...
751 
1928 E422 Triode, va... Europe 4-P... D Triotron (...
752 
1928 E424 Triode, va... Europe 5-P... NL Philips; E...
753 
1928 E430 Triode, va... Europe 5-P... NL Philips; E... Philips; E...
754 
1928 E435 Triode, va... Europe 5-P... NL Philips; E...
755 
1928 E438 Triode, va... Europe 5-P... NL Philips; E...
756 
1928 E441 Dual-Grid ... Europe 5-P... NL Philips; E...
757 
1928 E442 Screen-gri... Europe 5-P... NL Philips; E...
758 
1928 E442S Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
759 
1928 EW120 Current Re... Europe 4-P... CDN Common typ...
760 
1928 G112_Lutece Triode, va... Lutece-Lum...
761 
1928 G650_Splendor Full-Wave ... Europe 4-P... Splendor L... Splendor L...
762 
1928 H-Point8 Triode, va... Europe 4-P... Marconi's ...
763 
1928 H0.8 Triode, va... Europe 4-P... Marconi-Os...
764 
1928 H125 Triode, va... Europe 4-P... CDN Valvo Radi...
765 
1928 H125D Screen-gri... Europe 4-P... CDN Valvo Radi...
766 
1928 H406D Screen-gri... Europe 4-P... CDN Valvo Radi...
767 
1928 H4100D Screen-gri... Europe 5-P... CDN Valvo Radi...
768 
1928 H4100spez TRIODE (De... Europe 5-P... CDN Valvo Radi...
769 
1928 H430 Triode, va... Europe 4-P... Lutece-Lum...
770 
1928 HF30 MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
771 
1928 HL-Point8 Triode, va... Europe 4-P... Marconi's ...
772 
1928 HL0.8 Triode, va... Europe 4-P... Marconi-Os...
773 
1928 HL210 Triode, va... Europe 4-P... CH Common typ...
774 
1928 HL610 Triode, va... Europe 4-P... CH Common typ...
775 
1928 HZ420 Double Tri... OTHER TUBE... CDN Valvo Radi...
776 
1928 KL1_MO Triode, va... Europe 4-P... Marconi-Os...
777 
1928 L160 Triode, va... Europe 4-P... CDN Valvo Radi...
778 
1928 L160D Vacuum Pen... Europe 4-P... CDN Valvo Radi...
779 
1928 L413 Triode, va... Europe 4-P... CDN Valvo Radi...
780 
1928 L415D Vacuum Pen... Europe 4-P... CDN Valvo Radi...
781 
1928 L4180 Triode, va... Europe 4-P... CDN Valvo Radi...
782 
1928 LAP513 Vacuum Pen... Europe 5-P... CDN Loewe-(Opt...
783 
1928 LK4100 Triode, va... Europe 4-P... CDN Valvo Radi...
784 
1928 LK4130 Triode, va... OTHER TUBE... CDN Valvo Radi...
785 
1928 LK460 Triode, va... Europe 4-P... CDN Valvo Radi...
786 
1928 LK8100 Triode, va... Europe 4-P... Valvo Radi...
787 
1928 LS6A Triode, va... Europe 4-P... MO Valve C...
788 
1928 P-Point8 Triode, va... Europe 4-P... Marconi's ...
789 
1928 P403 Triode, va... Europe 4-P... Lutece-Lum...
790 
1928 P405 Triode, va... Europe 4-P... Lutece-Lum...
791 
1928 P425 Triode, va... UX-Base (4... D Marconi-Os... Common typ...
792 
1928 P625 Triode, va... Europe 4-P... A MO Valve C... MO Valve C...
793 
1928 P625A Triode, va... Europe 4-P... CH Common typ...
794 
1928 PT.8 Vacuum Pen... Europe 4-P... A MO Valve C...
795 
1928 PT235 Vacuum Pen... Europe 5-P... A Marconi-Os...
796 
1928 Ph515A Triode, va... Europe 4-P... Lutece-Lum...
797 
1928 Ph515B Triode, va... Europe 4-P... Lutece-Lum...
798 
1928 R110 Full-Wave ...
799 
1928 R250 Full-Wave ... Europe 4-P... CDN Radio-Reco...
800 
1928 R250_Rectron Full-Wave ... Europe 4-P... Rectron Gm...
801 
1928 R45 Full-Wave ... CDN Rectron Gm...
802 
1928 R56 Triode, va... Europe 4-P... CH La Radiote...
803 
1928 R75 Triode, va... Europe 4-P... CH Dario (tub...
804 
1928 R76 TRIODE (De... Europe 4-P... CH Dario (tub...
805 
1928 R77 Triode, va... Europe 4-P... CH Dario (tub...
806 
1928 R80 Triode, va... Europe 4-P... CDN Dario (tub...
807 
1928 RE074d Space Char... Europe 4-P... CDN Telefunken...
808 
1928 RE114 Triode, va... Europe 4-P... CDN Telefunken...
809 
1928 RE122 Triode, va... Europe 4-P... CDN Telefunken...
810 
1928 RE604 Triode, va... Europe 4-P... CDN Telefunken...
811 
1928 REN2204 Triode, va... Europe 5-P... CDN Telefunken...
812 
1928 REN501 Triode, va... Europe 4-P... CDN Telefunken...
813 
1928 REN511 Triode, va... Europe 4-P... CDN Telefunken...
814 
1928 REN601 Triode, va... Europe 4-P... CDN Telefunken...
815 
1928 REN804 Triode, va... Europe 5-P... Telefunken... Telefunken...
816 
1928 RENZ2104 Double Tri... CDN Telefunken...
817 
1928 RES044 Screen-gri... Europe 4-P... CDN Telefunken...
818 
1928 RES094 Screen-gri... Europe 4-P... CDN Telefunken...
819 
1928 RES164d Vacuum Pen... Europe 4-P... D Telefunken...
820 
1928 REZ126 Double Tri... OTHER TUBE... CDN Telefunken...
821 
1928 REZ147 Double Tri... OTHER TUBE... CDN Telefunken...
822 
1928 RGN1203 Half-Wave ... CDN Telefunken...
823 
1928 RGN1304 Half-Wave ... Europe 4-P... D Telefunken...
824 
1928 RGN1500 Full-Wave ... Europe 4-P... CDN Telefunken... Common typ...
825 
1928 RGN2004 Full-Wave ... Europe 4-P... Telefunken...
826 
1928 RO4010 Triode, va... Europe 4-P... CH Visseaux /...
827 
1928 RO4109 Triode, va... Europe 4-P... CH Visseaux /...
828 
1928 RO4215 TRIODE (De... Europe 4-P... CH Visseaux /...
829 
1928 RO4305 Triode, va... Europe 4-P... CH Visseaux /...
830 
1928 RO4309 Triode, va... Europe 4-P... CH Visseaux /...
831 
1928 RV218 Triode, va... 4-sockets ... CDN Telefunken...
832 
1928 RV230 Transmitti... OTHER TUBE... CDN Telefunken...
833 
1928 RV2300 Transmitti... OTHER TUBE... CDN Telefunken...
834 
1928 RV239 Triode, va... 4-sockets ... CDN Telefunken...
835 
1928 RV2400 Triode, va... Telefunken...
836 
1928 RV2500 Transmitti... OTHER TUBE... CDN Telefunken...
837 
1928 RV258 Triode, va... 4-sockets ... CDN Telefunken...
838 
1928 RV271 Triode, va... 4-sockets ... CDN Telefunken...
839 
1928 RV275 Triode, va... Europe 5-P... CDN Telefunken...
840 
1928 RV278 Transmitti... 4-sockets ... CDN Telefunken...
841 
1928 S-Point8 Screen-gri... Europe 4-P... Marconi-Os...
842 
1928 S205 Triode, va... Lutece-Lum...
843 
1928 S215 Screen-gri... Europe 4-P... A MO Valve C...
844 
1928 S215_Lutece Triode, va... Europe 5-P... Lutece-Lum...
845 
1928 S410 Screen-gri... Europe 4-P... TW MO Valve C...
846 
1928 S610 Screen-gri... Europe 4-P... MO Valve C...
847 
1928 TM1003 Triode, va... Cyrnos (br...
848 
1928 U409D Space Char... Europe 4-P... CDN Valvo Radi...
849 
1928 U409D_5pin Space Char... Europe "B5... Valvo Radi...
850 
1928 U8 Full-Wave ... Europe 4-P... A Osram-Valv...
851 
1928 U9 High-vacuu... Europe 4-P... A Marconi-Os...
852 
1928 UL208A TRIODE (De... Europe 4-P... D Radioröhre...
853 
1928 UL209E Triode, va... Europe 4-P... D Radioröhre...
854 
1928 UL407W TRIODE (De... Europe 4-P... D Radioröhre...
855 
1928 UL408H TRIODE (De... Europe 4-P... D Radioröhre...
856 
1928 UL410A TRIODE (De... Europe 4-P... D Radioröhre...
857 
1928 UL412E Triode, va... Europe 4-P... D Radioröhre...
858 
1928 UL423A Triode, va... Europe 4-P... D Radioröhre...
859 
1928 UL430L Triode, va... Europe 4-P... D Radioröhre...
860 
1928 UX864 Triode, va... UX-Base (4... RCA (RCA V... General El...
861 
1928 VH40 Triode, va... Europe 4-P... Splendor L... Splendor L...
862 
1928 VT143_TKD Double Tri... CDN TeKaDe (TK...
863 
1928 W125 Triode, va... Europe 4-P... CDN Valvo Radi...
864 
1928 W4100 Triode, va... Europe 5-P... CDN Valvo Radi...
865 
1928 WE22_Rectron Current Re... Europe 3-P... Rectron Gm...
866 
1928 WE55 Full-Wave ... Europe sid... GB Common typ...
867 
1929 10NG Half-Wave ... Europe 4-P... CDN Loewe-(Opt...
868 
1929 12NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
869 
1929 14NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
870 
1929 1821 Full-Wave ... Europe 4-P... NL Philips; E...
871 
1929 1L60 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
872 
1929 1N51 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
873 
1929 1W50 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
874 
1929 224 Screen-gri... UY-Base, 5... ROK Common typ... Westinghou...
875 
1929 24 Screen-gri... UY-Base, 5... ROK Common typ...
876 
1929 240NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
877 
1929 24A Screen-gri... UY-Base, 5... ROK Common typ...
878 
1929 3G130 High-vacuu... Europe 4-P... CDN TeKaDe (TK...
879 
1929 3NFW MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt...
880 
1929 45 Triode, va... UX-Base (4... Common typ... Westinghou...
881 
1929 485_Sparton Triode, va... UY-Base, 5... Sparton-Ca... Sparton-Ca...
882 
1929 4A120 Triode, va... Europe 5-P... CDN TeKaDe (TK...
883 
1929 4A80 Triode, va... Europe 5-P... CDN TeKaDe (TK...
884 
1929 4G15 Half-Wave ... Europe 4-P... CDN TeKaDe (TK...
885 
1929 4G30 Full-Wave ... Europe 4-P... CDN TeKaDe (TK...
886 
1929 4H08 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
887 
1929 4HA130 TRIODE (De... Europe 5-P... CDN TeKaDe (TK...
888 
1929 4K170 Triode, va... 4-sockets ... CDN TeKaDe (TK...
889 
1929 4K30 Triode, va... Europe 4-P... CDN TeKaDe (TK...
890 
1929 4K50 Triode, va... Europe 4-P... CDN TeKaDe (TK...
891 
1929 4L11 Triode, va... Europe 4-P... CDN TeKaDe (TK...
892 
1929 4L12 Triode, va... CDN TeKaDe (TK...
893 
1929 4L13 Triode, va... Europe 4-P... CDN TeKaDe (TK...
894 
1929 4L14 Triode, va... Europe 4-P... CDN TeKaDe (TK...
895 
1929 4L29 Triode, va... Europe 4-P... CDN TeKaDe (TK...
896 
1929 4NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
897 
1929 4U130 Triode, va... CDN TeKaDe (TK...
898 
1929 8NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
899 
1929 A4110 Triode, va... Europe 5-P... D Valvo Radi...
900 
1929 A_CRT CRT (catho... Europe 4-P... Ediswan, S... Ediswan, S...
901 
1929 E424N Triode, va... Europe 5-P... NL Philips; E...
902 
1929 E428 Triode, va... Europe 5-P... NL Philips; E... Philips; E...
903 
1929 E443 Vacuum Pen... Europe 5-P... Philips; E... Philips; E...
904 
1929 E462 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
905 
1929 EG200 High-vacuu... Europe 4-P... CDN Seibt, Dr....
906 
1929 EW121 Current Re... Europe 4-P... CDN Siemens; D...
907 
1929 Four-In-One Quad Triode OTHER TUBE... Quadruple ... Quadruple ...
908 
1929 G3140 High-vacuu... Europe 4-P... NL Philips; E...
909 
1929 G4200 Full-Wave ... Europe 4-P... CDN Valvo Radi...
910 
1929 G490 Full-Wave ... Europe 4-P... CDN Valvo Radi...
911 
1929 G495 Half-Wave ... Europe 3-P... CDN Valvo Radi...
912 
1929 G715 Half-Wave ... Europe 4-P... CDN Valvo Radi...
913 
1929 GL3e Full-Wave ... OTHER TUBE... CDN Siemens; D...
914 
1929 GL6e Full-Wave ... OTHER TUBE... CDN Siemens; D...
915 
1929 H210 Triode, va... Europe 4-P... ZA Common typ...
916 
1929 H407spez TRIODE (De... Europe 4-P... CDN Valvo Radi...
917 
1929 H4080D Screen-gri... Europe 5-P... CDN Valvo Radi...
918 
1929 H410 Triode, va... Europe 4-P... A Marconi-Os...
919 
1929 HF29_klar MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
920 
1929 HL410 Triode, va... Europe 4-P... CH Common typ...
921 
1929 L4100 Triode, va... Europe 5-P... CDN Valvo Radi...
922 
1929 L425D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
923 
1929 L490D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
924 
1929 LK430 Triode, va... Europe 4-P... CDN Valvo Radi...
925 
1929 P220_Lissen Triode, va... Europe 4-P... Lissen Ltd...
926 
1929 PP430 Vacuum Pen... Europe 5-P... TW Tungsram; ...
927 
1929 PT225 Vacuum Pen... Europe 5-P... A Lissen Ltd...
928 
1929 R1000 Full-Wave ... CDN Rectron Gm...
929 
1929 R500 Full-Wave ... CDN Rectron Gm...
930 
1929 R89 Vacuum Pen... Europe 5-P... CH Dario (tub...
931 
1929 RE304 Triode, va... Europe 4-P... CDN Telefunken...
932 
1929 REN904 Triode, va... Europe 5-P... D Telefunken...
933 
1929 RGN1054 Full-Wave ... Europe 4-P... CDN Telefunken...
934 
1929 RGN354 Half-Wave ... Europe 3-P... CDN Telefunken...
935 
1929 RGN504 Full-Wave ... Europe 4-P... CDN Telefunken...
936 
1929 RH4010 Triode, va... Visseaux /...
937 
1929 RH4041 Space Char... Europe 4-P... CH Visseaux /...
938 
1929 RH4141 Dual-Grid ... Visseaux /...
939 
1929 RO4125 Triode, va... Europe 4-P... CH Visseaux /...
940 
1929 RO4142 Screen-gri... Europe 4-P... CH Visseaux /...
941 
1929 RO4206 Triode, va... Europe 4-P... CH Visseaux /...
942 
1929 RO4243 Vacuum Pen... Europe 4-P... CH Visseaux /...
943 
1929 RS4141 Dual-Grid ... Europe "B5... CH Visseaux /...
944 
1929 U4100D Dual-Grid ... Europe 5-P... CDN Valvo Radi...
945 
1929 UX245 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
946 
1929 UY224 Screen-gri... UY-Base, 5... ROK Common typ... Westinghou...
947 
1929 VG220 Full-Wave ... Europe 4-P... CDN Seibt, Dr....
948 
1929 VG250 Full-Wave ... Europe 4-P... CDN Seibt, Dr....
949 
1929 W4080 Triode, va... Europe 5-P... CDN Valvo Radi...
950 
1929 WE45_Rectron Current Re... Europe 3-P... CDN Rectron Gm...
951 
1930 16NG Half-Wave ... Europe 3-P... CDN Loewe-(Opt...
952 
1930 201 Triode, va... UX-Base (4... ROK Common typ...
953 
1930 230 Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
954 
1930 30 Triode, va... UX-Base (4... ROK Common typ...
955 
1930 301 Ballast Tu... Edison, si... CDN Common typ...
956 
1930 31 Triode, va... UX-Base (4... ROK Common typ...
957 
1930 32 Screen-gri... UX-Base (4... ROK Common typ...
958 
1930 32E Screen-gri... UX-Base (4... Brimar (ST...
959 
1930 36 Screen-gri... UY-Base, 5... ROK Common typ...
960 
1930 38 Vacuum Pen... UY-Base, 5... ROK Common typ...
961 
1930 486 Triode, va... UY-Base, 5... ROK Sparton-Ca... Sparton-Ca...
962 
1930 4A90 TRIODE (De... Europe 5-P... CDN TeKaDe (TK...
963 
1930 4K32 Triode, va... Europe 4-P... CDN TeKaDe (TK...
964 
1930 4K60 Triode, va... Europe 4-P... CDN TeKaDe (TK...
965 
1930 4N110 Triode, va... Europe 5-P... CDN TeKaDe (TK...
966 
1930 4S120 Screen-gri... Europe 5-P... CDN TeKaDe (TK...
967 
1930 4W100 Triode, va... Europe 5-P... CDN TeKaDe (TK...
968 
1930 88S Vacuum Pen... 6-Pin-Base... Rogers-Maj...
969 
1930 8K290 Triode, va... CDN TeKaDe (TK...
970 
1930 8K300 Triode, va... CDN TeKaDe (TK...
971 
1930 A408s Triode, va...
972 
1930 AC/HL Triode, va... Europe 5-P... Common typ...
973 
1930 AC/Pen Vacuum Pen... British-7-... CH Mazda = Va...
974 
1930 C405 Triode, va... Europe 4-P... NL Philips; E...
975 
1930 C408 Electromet... Europe 4-P... NL Philips; E...
976 
1930 C443N Vacuum Pen... Europe 5-P... NL Philips; E...
977 
1930 E200/300 Screen-gri... Europe 4-P... CH Celsior; F...
978 
1930 E414 Triode, va... Europe 4-P... D Triotron (...
979 
1930 E425_Triotron Triode, va... Europe 4-P... NL Triotron (... Triotron (...
980 
1930 E443N Vacuum Pen... Europe 5-P... NL Philips; E...
981 
1930 E463 Vacuum Pen... Europe 6-P... NL Philips; E...
982 
1930 G2200 Gas Rectif... Europe 4-P... CDN Valvo Radi...
983 
1930 G2340 Gas Rectif... Europe 4-P... CDN Valvo Radi...
984 
1930 G425 Half-Wave ... Europe 4-P... CDN Valvo Radi...
985 
1930 G430 Full-Wave ... Europe 4-P... CDN Valvo Radi...
986 
1930 G460 Full-Wave ... Europe 4-P... CDN Valvo Radi...
987 
1930 H406Ds UNKNOWN
988 
1930 H410D Screen-gri... Europe 4-P... CDN Valvo Radi...
989 
1930 L413S Triode, va... Europe 4-P... Valvo Radi...
990 
1930 L416D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
991 
1930 L416Ds Vacuum Pen...
992 
1930 L491D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
993 
1930 L495D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
994 
1930 L510D Vacuum Pen... Europe 4-P... CDN Valvo Radi...
995 
1930 LA203 Triode, va... Europe 5-P... CDN Loewe-(Opt...
996 
1930 LK4110 Triode, va... Europe 4-P... CDN Valvo Radi...
997 
1930 LK4200 Triode, va... Europe 4-P... CDN Valvo Radi...
998 
1930 MA125 TRIODE (De... CDN Valvo Radi...
999 
1930 ME1520 Triode, va... Celsior; F...
1000 
1930 MW125 Triode, va... CDN Valvo Radi...
1001 
1930 NY64 Screen-gri... UY-Base, 5... National U...
1002 
1930 NZ4200 Double Tri... Valvo Radi...
1003 
1930 PM256A Triode, va... Europe 4-P... Mullard Ra...
1004 
1930 PU10.02 Triode, va... Celsior; F...
1005 
1930 PV801 Triode, va... Celsior; F...
1006 
1930 R0337 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1007 
1930 R0423 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1008 
1930 R0424 Half-Wave ... Europe 4-P... CDN Rectron Gm...
1009 
1930 R0431 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1010 
1930 R0437 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1011 
1930 R0446 High-vacuu... Europe 4-P... CDN Rectron Gm...
1012 
1930 R0481 Half-Wave ... Europe 4-P... CDN Rectron Gm...
1013 
1930 R0771 High-vacuu... UX-Base (4... CDN Rectron Gm...
1014 
1930 R1000/III Gas Rectif... CDN Rectron Gm...
1015 
1930 R2000 Half-Wave ... Edison, si... CDN Rectron Gm...
1016 
1930 R3000 Full-Wave ... Edison, si... CDN Rectron Gm...
1017 
1930 R4000 Full-Wave ... Europe 4-P... CDN Rectron Gm...
1018 
1930 RCA230 Triode, va... RCA (RCA V...
1019 
1930 RCA231 LOCKED OFF... RCA (RCA V...
1020 
1930 RCA232 LOCKED OFF... RCA (RCA V...
1021 
1930 REN704d Dual-Grid ... Europe 4-P... CDN Telefunken...
1022 
1930 RES664d Vacuum Pen... Europe 5-P... CDN Telefunken...
1023 
1930 RGN1404 Half-Wave ... Europe 4-P... CDN Telefunken...
1024 
1930 U10 Full-Wave ... Europe 4-P... A MO Valve C...
1025 
1930 W410 Triode, va... Europe 4-P... CDN Valvo Radi...
1026 
1931 1802 Half-Wave ... Europe 3-P... NL Philips; E...
1027 
1931 1803 Half-Wave ... Europe 3-P... Philips; E...
1028 
1931 1807 Full-Wave ... Europe 4-P... NL Philips; E...
1029 
1931 33 Vacuum Pen... UY-Base, 5... ROK Common typ...
1030 
1931 35 Screen-gri... UY-Base, 5... ROK Common typ...
1031 
1931 39 Vacuum Pen... UY-Base, 5... ROK Common typ...
1032 
1931 3NFK MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
1033 
1931 47 Vacuum Pen... UY-Base, 5... ROK Common typ...
1034 
1931 47E Vacuum Pen... UY-Base, 5... National U...
1035 
1931 51 Screen-gri... UY-Base, 5... ROK Common typ...
1036 
1931 55 Double Dio... 6-Pin-Base... ROK Common typ...
1037 
1931 551 Screen-gri... UY-Base, 5... MEX Common typ...
1038 
1931 57 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1039 
1931 58 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1040 
1931 A2118 Triode, va... Europe 5-P... CDN Valvo Radi...
1041 
1931 B2045 Screen-gri... Europe 5-P... NL Philips; E...
1042 
1931 B217 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
1043 
1931 B228 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
1044 
1931 B252 Screen-gri... Europe 4-P... NL Philips; E...
1045 
1931 C243N Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
1046 
1931 DC/HL Triode, va... Europe 5-P... CH Mazda = Va...
1047 
1931 DC/Pen Vacuum Pen... Europe 5-P... CH Mazda = Va...
1048 
1931 DC/SG Screen-gri... Europe 5-P... CH Mazda = Va...
1049 
1931 DH Triode, va... Europe 5-P... A Marconi-Os... Marconi-Os...
1050 
1931 DL Triode, va... Europe 5-P... A Marconi-Os... Marconi-Os...
1051 
1931 DPT Vacuum Pen... British-7-... A MO Valve C...
1052 
1931 DPT_5pin Vacuum Pen... Europe 5-P... MO Valve C...
1053 
1931 DS Screen-gri... Europe 5-P... A MO Valve C...
1054 
1931 E43 Vacuum Pen... Europe 4-P... D Kremenezky...
1055 
1931 E441N Dual-Grid ... Europe 5-P... NL Philips; E...
1056 
1931 E445 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
1057 
1931 E452 Vacuum Pen... Europe 7-P... NL Philips; E... Philips; E...
1058 
1931 E452T Screen-gri... Europe 5-P... Philips; E... Philips; E...
1059 
1931 EG50 Half-Wave ... Europe 5-P... D Ostar (Gus... Ostar (Gus...
1060 
1931 H2018D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
1061 
1931 L2218 Triode, va... Europe 5-P... CDN Valvo Radi...
1062 
1931 L2318D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
1063 
1931 L427D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
1064 
1931 NC4a Screen-gri... Europe 5-P... D Sator (bra...
1065 
1931 NY65 Vacuum Pen... UY-Base, 5... National U...
1066 
1931 NY67 Triode, va... UY-Base, 5... National U...
1067 
1931 NY68 UNKNOWN UY-Base, 5... National U...
1068 
1931 REN1821 Triode, va... Europe 5-P... CDN Telefunken...
1069 
1931 REN1822 Triode, va... Europe 5-P... CDN Telefunken...
1070 
1931 RENS1214 Screen-gri... Europe 5-P... CDN Telefunken...
1071 
1931 RENS1264 Screen-gri... Europe 5-P... CDN Telefunken...
1072 
1931 RENS1820 Vacuum Pen... Europe 5-P... CDN Telefunken...
1073 
1931 RENS1823d Vacuum Pen... Europe 5-P... CDN Telefunken...
1074 
1931 RES174 Vacuum Pen...
1075 
1931 RES174d Vacuum Pen... Europe 4-P... CDN Telefunken...
1076 
1931 RES364 Vacuum Pen... Europe 5-P... CDN Telefunken...
1077 
1931 RES374 Vacuum Pen... Europe 5-P... CDN Telefunken...
1078 
1931 RGN2005 Full-Wave ... Europe 4-P... CDN Telefunken...
1079 
1931 RGN2504 Full-Wave ... Europe 4-P... CDN Telefunken...
1080 
1931 RGN4004 Full-Wave ... Europe 4-P... CDN Telefunken...
1081 
1931 UY235 Screen-gri... UY-Base, 5... ROK Common typ...
1082 
1931 UY38A Vacuum Pen... UY-Base, 5...
1083 
1931 UZ-55 Double Dio... 6-Pin-Base...
1084 
1931 UZ133D Vacuum Pen... UY-Base, 5... Common typ...
1085 
1932 15 Vacuum Pen... UY-Base, 5... ROK Common typ...
1086 
1932 1615 Vacuum Pen... 6-Pin-Base... Common typ...
1087 
1932 1805 Full-Wave ... Europe 4-P... NL Philips; E...
1088 
1932 295 MULTI-SYST... UY-Base, 5... ROK Speed (Cab... Speed (Cab...
1089 
1932 2A5 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1090 
1932 2HMD Double Tet... Europe 5-P... CDN Loewe-(Opt...
1091 
1932 42 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1092 
1932 43 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1093 
1932 46 Double Gri... UY-Base, 5... ROK Common typ...
1094 
1932 48 Screen-gri... 6-Pin-Base... ROK Common typ...
1095 
1932 49 Double Gri... UY-Base, 5... ROK Common typ...
1096 
1932 56 Triode, va... UY-Base, 5... ROK Common typ...
1097 
1932 688 Photocell ... UX-Base (4... Cunningham...
1098 
1932 B242 Screen-gri... Europe 4-P... NL Philips; E...
1099 
1932 B255 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
1100 
1932 B262 Screen-gri... Europe 4-P... Philips; E... Philips; E...
1101 
1932 C453 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
1102 
1932 C509A Triode, va... UX-Base (4... Philips; E... General El...
1103 
1932 DSB Screen-gri... Europe 5-P... A MO Valve C...
1104 
1932 DW7 Screen-gri... Europe 5-P... A Marconi's ...
1105 
1932 E451 Double Gri... Europe 5-P... NL Philips; E...
1106 
1932 E453 Vacuum Pen... Europe 5-P... NL Philips; E...
1107 
1932 E455 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
1108 
1932 E499 Triode, va... Europe 5-P... NL Philips; E...
1109 
1932 E707 Triode, va... NL Philips; E...
1110 
1932 ER-LA Vacuum Pen... UY-Base, 5... Raytheon M...
1111 
1932 F410 Triode, va... Europe 4-P... NL Philips; E...
1112 
1932 GL4/1D Full-Wave ... Europe 4-P... Sator (bra...
1113 
1932 H1818D Screen-gri... Europe 5-P... CDN Valvo Radi...
1114 
1932 H1918D Screen-gri... Europe 5-P... CDN Valvo Radi...
1115 
1932 H4111D Screen-gri... Europe 5-P... CDN Valvo Radi...
1116 
1932 H4125D Screen-gri... Europe 5-P... CDN Valvo Radi...
1117 
1932 HLA1 Triode, va... Europe 5-P... Standard T...
1118 
1932 L4150D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
1119 
1932 LK7110 Triode, va... OTHER TUBE... CDN Valvo Radi...
1120 
1932 LK7115 Triode, va... Europe 4-P... CDN Valvo Radi...
1121 
1932 NSS4 Screen-gri... Europe 5-P... Sator (bra...
1122 
1932 NVS4 Screen-gri... Europe 5-P... D Sator (bra...
1123 
1932 PT41 Vacuum Pen... Europe 5-P... A Cossor, A....
1124 
1932 PT41B Vacuum Pen... Europe 5-P... A Cossor, A....
1125 
1932 R1 Full-Wave ... Europe 4-P... ROK Common typ...
1126 
1932 REN1817d Dual-Grid ... Europe 5-P... CDN Telefunken...
1127 
1932 RENS1274 Screen-gri... Europe 5-P... CDN Telefunken...
1128 
1932 RENS1284 Vacuum Pen... Europe 5-P... CDN Telefunken...
1129 
1932 RENS1374d Vacuum Pen... Europe 5-P... CDN Telefunken...
1130 
1932 RENS1818 Screen-gri... Europe 5-P... CDN Telefunken...
1131 
1932 RENS1819 Screen-gri... Europe 5-P... CDN Telefunken...
1132 
1932 RENS351 Screen-gri... UY-Base, 5... Telefunken...
1133 
1932 RGN1064 Full-Wave ... Europe 4-P... CDN Telefunken...
1134 
1932 RGN564 Half-Wave ... Europe 3-P... CDN Telefunken...
1135 
1932 U1718D Dual-Grid ... Europe 5-P... CDN Valvo Radi...
1136 
1932 UZ-58A Vacuum Pen... 6-Pin-Base... Common typ...
1137 
1932 UZ58A Vacuum Pen... 6-Pin-Base... Common typ...
1138 
1932 VDS Screen-gri... Europe 5-P... A Marconi-Os...
1139 
1932 Wunderlich Wunderlich... 6-Pin-Base... Arcturus; ...
1140 
1932 WunderlichA Wunderlich... 6-Pin-Base... ROK Arcturus; ...
1141 
1932 WunderlichA-Auto Wunderlich... 6-Pin-Base... Arcturus; ...
1142 
1932 WunderlichB Wunderlich... 6-Pin-Base... ROK Arcturus; ...
1143 
1933 1815 Full-Wave ... Europe 4-P... NL Philips; E...
1144 
1933 1832 Half-Wave ... Europe 4-P... NL Philips; E...
1145 
1933 1861 Full-Wave ... Europe 4-P... NL Philips; E...
1146 
1933 1867 Full-Wave ... Europe 4-P... NL Philips; E...
1147 
1933 19 Double Tri... 6-Pin-Base... ROK Common typ...
1148 
1933 24NG High-vacuu... Europe 6-P... CDN Loewe-(Opt...
1149 
1933 25Z5 High-vacuu... 6-Pin-Base... ROK Common typ...
1150 
1933 2A7 Pentagrid-... 7-Pin-Base... ROK Common typ...
1151 
1933 2B6 MULTI-SYST... 7-Pin-Base... USA Arcturus; ... Arcturus; ...
1152 
1933 3NFL MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt... Loewe-(Opt...
1153 
1933 52 Double Gri... UY-Base, 5... ROK Common typ...
1154 
1933 53 Double Tri... 7-Pin-Base... ROK Common typ...
1155 
1933 6A7 Pentagrid-... 7-Pin-Base... ROK Common typ...
1156 
1933 6B7 Double Dio... 7-Pin-Base... ROK Common typ...
1157 
1933 6C6 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1158 
1933 6D6 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1159 
1933 6D7 Vacuum Pen... 7-Pin-Base... ROK Common typ...
1160 
1933 75 Double Dio... 6-Pin-Base... ROK Common typ...
1161 
1933 76 Triode, va... UY-Base, 5... ZA Common typ...
1162 
1933 77 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1163 
1933 78 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1164 
1933 79 Double Tri... 6-Pin-Base... ROK Common typ...
1165 
1933 958 Triode, va... Acorn-all-... ZA Common typ... RCA (RCA V...
1166 
1933 AB1 Double Diode Europe 5-P... EU Common typ...
1167 
1933 ACH1 Triode-Hex... Europe 7-P... D Common typ... Telefunken...
1168 
1933 AF2 Vacuum Pen... Europe 5-P... NL Philips; E...
1169 
1933 AN2127 Diode-Tetr... Europe 6-P... CDN Valvo Radi...
1170 
1933 AN2718 Diode-Triode Europe 5-P... CDN Valvo Radi...
1171 
1933 AN4092 Diode-Triode Europe 5-P... CDN Valvo Radi...
1172 
1933 AN4126 Diode-Tetr... Europe 6-P... CDN Valvo Radi...
1173 
1933 BL2 Vacuum Pen... Europe 5-P... EU Common typ...
1174 
1933 DHD Double Dio... British-7-... A MO Valve C...
1175 
1933 DP/Pen Vacuum Pen... British-7-... A Cossor, A....
1176 
1933 E443H Vacuum Pen... Europe 5-P... NL Philips; E...
1177 
1933 E444 Diode-Tetr... Europe 6-P... NL Philips; E...
1178 
1933 E444S Diode-Triode Europe 5-P... NL Philips; E...
1179 
1933 E447 Vacuum Pen... Europe 5-P... NL Philips; E...
1180 
1933 E448 HEXODE Europe 7-P... NL Philips; E... Telefunken...
1181 
1933 E449 HEXODE Europe 7-P... NL Philips; E... Telefunken...
1182 
1933 F443 Vacuum Pen... Europe 5-P... NL Philips; E...
1183 
1933 F443N Vacuum Pen... Europe 5-P... NL Philips; E...
1184 
1933 H2618D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
1185 
1933 H4115D Screen-gri... Europe 5-P... CDN Valvo Radi...
1186 
1933 H4128D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
1187 
1933 H4129D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
1188 
1933 L496D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
1189 
1933 MO44 Double Tet... Europe 7-P... CDN Loewe-(Opt...
1190 
1933 REN1814 Triode, va... Europe 5-P... CDN Telefunken...
1191 
1933 REN1826 Diode-Triode Europe 5-P... CDN Telefunken...
1192 
1933 REN914 Triode, va... Europe 5-P... CDN Telefunken...
1193 
1933 REN924 Diode-Triode Europe 5-P... CDN Telefunken...
1194 
1933 RENS1224 HEXODE Europe 7-P... CDN Telefunken... Telefunken...
1195 
1933 RENS1234 HEXODE Europe 7-P... CDN Telefunken... Telefunken...
1196 
1933 RENS1254 Diode-Tetr... Europe 6-P... CDN Telefunken...
1197 
1933 RENS1294 Vacuum Pen... Europe 5-P... CDN Telefunken...
1198 
1933 RENS1824 HEXODE Europe 7-P... CDN Telefunken...
1199 
1933 RENS1834 HEXODE Europe 7-P... CDN Telefunken... Telefunken...
1200 
1933 RENS1884 Vacuum Pen... Europe 5-P... CDN Telefunken...
1201 
1933 RENS1894 Vacuum Pen... Europe 5-P... CDN Telefunken...
1202 
1933 RES964 Vacuum Pen... Europe 5-P... CDN Telefunken...
1203 
1933 VDSB Screen-gri... Europe 5-P... A Marconi-Os...
1204 
1933 W2418 TRIODE (De... Europe 5-P... CDN Valvo Radi...
1205 
1933 W4110 Triode, va... Europe 5-P... CDN Valvo Radi...
1206 
1933 WG33 MULTI-SYST... Loewe Bajo... CDN Loewe-(Opt...
1207 
1933 X2818 HEXODE Europe 7-P... CDN Valvo Radi...
1208 
1933 X2918 HEXODE Europe 7-P... CDN Valvo Radi...
1209 
1933 X4122 HEXODE Europe 7-P... CDN Valvo Radi...
1210 
1933 X4123 HEXODE Europe 7-P... CDN Valvo Radi...
1211 
1934 150T Transmitti... UX-Base (4... ROK Common typ...
1212 
1934 26NG High-vacuu... Europe 6-P... CDN Loewe-(Opt...
1213 
1934 368A Transmitti... Western El...
1214 
1934 955 Triode, va... Acorn-all-... ROK Common typ... RCA (RCA V...
1215 
1934 AB2 Double Diode Europe sid... EU Common typ...
1216 
1934 ABC1 Double Dio... Europe sid... EU Common typ...
1217 
1934 AC2 Triode, va... Europe sid... EU Common typ...
1218 
1934 AF3 Vacuum Pen... Europe sid... EU Common typ...
1219 
1934 AF7 Vacuum Pen... Europe sid... EU Common typ...
1220 
1934 AH1 HEXODE Europe sid... EU Common typ...
1221 
1934 AK1 OCTODE Europe 7-P... D Common typ... Philips; E...
1222 
1934 AX1 Half-Wave ... Europe 4-P... NL Philips; E...
1223 
1934 B240 Double Tri... Europe 7-P... NL Philips; E... Philips; E...
1224 
1934 BB1 Double Diode Europe 5-P... D Telefunken...
1225 
1934 BCH1 Triode-Hex... Europe 7-P... EU Common typ... Telefunken...
1226 
1934 BK1 OCTODE Europe 7-P... Telefunken... Philips; E...
1227 
1934 C1 Current Re... Europe sid... NL Philips; E...
1228 
1934 C2 Current Re... Europe sid... NL Philips; E...
1229 
1934 C243 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
1230 
1934 C3 Current Re... Europe sid... EU Philips; E...
1231 
1934 C4 Current Re... Europe sid... NL Philips; E... Philips; E...
1232 
1934 CB1 Double Diode Europe sid... EU Common typ... Philips; E...
1233 
1934 CF1 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1234 
1934 CF2 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1235 
1934 CK1 OCTODE Europe sid... EU Common typ... Philips; E...
1236 
1934 CL1 Vacuum Pen... Europe sid... EU Common typ... Philips; E...
1237 
1934 CL2 Vacuum Pen... Europe sid... EU Common typ...
1238 
1934 CY1 Half-Wave ... Europe sid... EU Common typ...
1239 
1934 CY2 High-vacuu... Europe sid... EU Common typ...
1240 
1934 EB1 Double Diode Europe sid... NL Philips; E...
1241 
1934 EF1 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1242 
1934 EF2 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1243 
1934 EK1 OCTODE Europe sid... NL Philips; E... Philips; E...
1244 
1934 EL1 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
1245 
1934 EZ1 Full-Wave ... Europe sid... EU Common typ... Philips; E...
1246 
1934 FZ1 Full-Wave ... Europe sid... EU Common typ... Philips; E...
1247 
1934 KBC1 Double Dio... Europe sid... EU Common typ...
1248 
1934 KC1_4pin Triode, va... Europe 4-P... EU Common typ... Telefunken...
1249 
1934 KF2 Vacuum Pen... Europe 7-P... ZA Common typ...
1250 
1934 KL1_5pin Vacuum Pen... Europe 5-P... EU Common typ... Telefunken...
1251 
1934 QP240 Double Pen... B9 British... ZA Common typ...
1252 
1934 TCL2 Vacuum Pen... Europe sid... Tungsram; ...
1253 
1934 TCY2 High-vacuu... Europe sid... Tungsram; ...
1254 
1934 TKL1_5pin Vacuum Pen... Europe 5-P... Tungsram; ... Telefunken...
1255 
1934 UF1 Vacuum Pen... Europe sid... F Dario (tub... Dario (tub...
1256 
1934 UF2 Vacuum Pen... Europe sid... F Dario (tub... Dario (tub...
1257 
1934 VG-1 Glow Indic... UX-Base (4... USA Sparton-Ca...
1258 
1934 WG34 MULTI-SYST... Loewe 12 pin CDN Loewe-(Opt... Loewe-(Opt...
1259 
1934 WG35 Diode-Tetr... Loewe 12 pin CDN Loewe-(Opt... Loewe-(Opt...
1260 
1934 WG36 MULTI-SYST... Loewe 12 pin CDN Loewe-(Opt... Loewe-(Opt...
1261 
1934 WG37 MULTI-SYST... Loewe 12 pin CDN Loewe-(Opt... Loewe-(Opt...
1262 
1935 13D1 Double Diode Europe sid... CDN Loewe-(Opt...
1263 
1935 13D2 Double Diode Europe sid... CDN Loewe-(Opt...
1264 
1935 13H1 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
1265 
1935 13H2 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
1266 
1935 13H3 HEXODE Europe sid... CDN Loewe-(Opt...
1267 
1935 13V1 Double Dio... Europe sid... CDN Loewe-(Opt...
1268 
1935 1875 Half-Wave ... Europe sid... NL Philips; E...
1269 
1935 1876 Half-Wave ... Europe sid... NL Philips; E...
1270 
1935 1877 Half-Wave ... Europe 4-P... NL Philips; E...
1271 
1935 1878 Half-Wave ... Edison big... NL Common typ...
1272 
1935 24M2 Triode-Hex... Europe 7-P... CDN Loewe-(Opt...
1273 
1935 25A6 Vacuum Pen... Octal (Int... ROK Common typ...
1274 
1935 30NG High-vacuu... Europe sid... CDN Loewe-(Opt...
1275 
1935 35/51 Screen-gri... UY-Base, 5... Common typ...
1276 
1935 4D1_Brimar Triode, va... British-7-... Standard T...
1277 
1935 50T Transmitti... UX-Base (4... ROK Common typ... Eimac (bra...
1278 
1935 6K7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1279 
1935 954 Vacuum Pen... Acorn-all-... ZA Common typ...
1280 
1935 AC100 Triode, va... EU-Telepho... D Telefunken...
1281 
1935 AC102 Triode, va... EU-Telepho... Telefunken...
1282 
1935 AD1 Triode, va... Europe sid... EU Common typ...
1283 
1935 AK2 OCTODE Europe sid... EU Common typ...
1284 
1935 AL1 Vacuum Pen... Europe sid... EU Common typ...
1285 
1935 AL2 Vacuum Pen... Europe sid... NL Philips; E...
1286 
1935 AL3 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1287 
1935 AZ1 Full-Wave ... Europe sid... EU Common typ...
1288 
1935 C6 Current Re... Europe sid... NL Philips; E... Philips; E...
1289 
1935 C7 Current Re... Europe sid... NL Philips; E... Philips; E...
1290 
1935 CB2 Double Diode Europe sid... EU Common typ...
1291 
1935 CBC1 Double Dio... Europe sid... EU Common typ...
1292 
1935 CC2 Triode, va... Europe sid... EU Common typ...
1293 
1935 CF3 Vacuum Pen... Europe sid... EU Common typ...
1294 
1935 CF7 Vacuum Pen... Europe sid... EU Common typ...
1295 
1935 CH1 HEXODE Europe sid... EU Common typ...
1296 
1935 D41 Double Diode Europe 5-P... A MO Valve C... MO Valve C...
1297 
1935 EC10/A Oscillosco...
1298 
1935 EC2 Triode, va... Europe sid... EU Common typ...
1299 
1935 EH1 HEXODE Europe sid... EU Common typ... Philips; E...
1300 
1935 KB1 Double Diode Europe sid... EU Common typ...
1301 
1935 KF7 Vacuum Pen... Europe sid... EU Common typ...
1302 
1935 KF8 Vacuum Pen... Europe sid... EU Common typ...
1303 
1935 KK2 OCTODE Europe sid... EU Common typ...
1304 
1935 KL2 Vacuum Pen... Europe sid... EU Common typ...
1305 
1935 NH1 HEXODE OTHER TUBE... Telefunken... Telefunken...
1306 
1935 OSW3118 Full-Wave ... Europe sid... Werk für F...
1307 
1935 OSW3119 Vacuum Pen... Europe sid... Werk für F...
1308 
1935 TAB2 Double Diode Europe sid... Tungsram; ...
1309 
1935 TABC1 Double Dio... Europe sid... Tungsram; ...
1310 
1935 TAF3 Vacuum Pen... Europe sid... Tungsram; ...
1311 
1935 TAF7 Vacuum Pen... Europe sid... Tungsram; ...
1312 
1935 TAH1 HEXODE Europe sid... Tungsram; ...
1313 
1935 TAL1 Vacuum Pen... Europe sid... Tungsram; ...
1314 
1935 TAL2 Vacuum Pen... Europe sid... Tungsram; ... Philips; E...
1315 
1935 TAZ1 Full-Wave ... Europe sid... Tungsram; ...
1316 
1935 TBC1 Double Dio... Europe sid... Dario (tub...
1317 
1935 TCB2 Double Diode Europe sid... Tungsram; ...
1318 
1935 TCC2 Triode, va... Europe sid... Tungsram; ...
1319 
1935 TCF7 Vacuum Pen... Europe sid... Tungsram; ...
1320 
1935 TCH1_Tungsram HEXODE Europe sid... Tungsram; ...
1321 
1935 VC1 Triode, va... Europe sid... EU Common typ... Telefunken...
1322 
1935 VL1 Vacuum Pen... Europe sid... EU Common typ... Telefunken...
1323 
1935 VY1 Half-Wave ... Europe sid... EU Common typ... Telefunken...
1324 
1935 WG41 HEXODE Europe sid... CDN Loewe-(Opt... Loewe-(Opt...
1325 
1936 140NG Full-Wave ... Europe sid... CDN Loewe-(Opt...
1326 
1936 25L6 Beam Power... Octal (Int... ROK Common typ...
1327 
1936 4673 Vacuum Pen... Europe sid... NL Philips; E...
1328 
1936 4H1 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
1329 
1936 4H2 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
1330 
1936 4H3 HEXODE Europe sid... CDN Loewe-(Opt...
1331 
1936 4M2 Triode-Hex... Europe 7-P... CDN Loewe-(Opt...
1332 
1936 4V1 Triode, va... Europe sid... D Loewe-(Opt...
1333 
1936 6K6G Vacuum Pen... Octal (Int... ROK Common typ...
1334 
1936 6Q7G Double Dio... Octal (Int... ROK Common typ...
1335 
1936 956 Vacuum Pen... Acorn-all-... ZA Common typ... RCA (RCA V...
1336 
1936 9MH Television... Europe 7-P... Ediswan, S...
1337 
1936 AL4 Vacuum Pen... Europe sid... EU Common typ...
1338 
1936 AL4/375 Vacuum Pen... Europe sid... Common typ...
1339 
1936 AL5 Vacuum Pen... Europe sid... D Common typ...
1340 
1936 AM1 Mag. Eye, ... Europe sid... NL Common typ... Philips; E...
1341 
1936 AZ2 Full-Wave ... Europe sid... NL Philips It...
1342 
1936 AZ3 Full-Wave ... Europe sid... NL Philips Au...
1343 
1936 C12 Current Re... Europe sid... NL Philips; E... Philips; E...
1344 
1936 C8 Current Re... Europe sid... EU Philips; E... Philips; E...
1345 
1936 C9 Current Re... Europe sid... NL Common typ... Philips; E...
1346 
1936 CL4 Vacuum Pen... Europe sid... EU Common typ...
1347 
1936 D42 Signal Dio... Europe 4-P... A MO Valve C...
1348 
1936 EB2 Double Diode Europe sid... EU Common typ...
1349 
1936 EB4 Double Diode Europe sid... NL Philips; E... Philips; E...
1350 
1936 EBC1 Double Dio... Europe sid... EU Common typ... Telefunken...
1351 
1936 EBC3 Double Dio... Europe sid... NL Philips; E... Philips; E...
1352 
1936 EF3 Vacuum Pen... Europe sid... EU Common typ... Telefunken...
1353 
1936 EF5 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1354 
1936 EF6 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
1355 
1936 EF7 Vacuum Pen... Europe sid... EU Common typ... Telefunken...
1356 
1936 EK2 OCTODE Europe sid... NL Philips; E... Philips; E...
1357 
1936 EL2 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
1358 
1936 EL3 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1359 
1936 EL5 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1360 
1936 EM1 Mag. Eye, ... Europe sid... NL Common typ... Philips; E...
1361 
1936 EZ2 Full-Wave ... Europe sid... NL Philips; E... Philips; E...
1362 
1936 EZ3 Full-Wave ... Europe sid... NL Philips; E... Philips; E...
1363 
1936 EZ4 Full-Wave ... Europe sid... NL Philips; E... Philips; E...
1364 
1936 G1404 Half-Wave ... Europe 4-P... CDN Valvo Radi...
1365 
1936 KB2 Double Diode Europe sid... EU Common typ...
1366 
1936 KC1_p8 Triode, va... Europe sid... EU Common typ...
1367 
1936 KC3 Triode, va... Europe sid... EU Common typ...
1368 
1936 KDD1 Double Tri... Europe sid... EU Common typ...
1369 
1936 KF3 Vacuum Pen... Europe sid... EU Common typ...
1370 
1936 KF3_7pin Vacuum Pen... British-7-...
1371 
1936 KF4 Vacuum Pen... Europe sid... EU Common typ...
1372 
1936 KL1_sidecontact Vacuum Pen... Europe sid... EU Common typ...
1373 
1936 KL4 Vacuum Pen... Europe sid... EU Common typ...
1374 
1936 MEB4 Double Diode Europe sid... Marconi-Os... Philips; E...
1375 
1936 OSW3103 Vacuum Pen... Europe sid... Werk für F...
1376 
1936 RS291 Transmitti... OTHER TUBE... Telefunken...
1377 
1936 TAD1 Triode, va... Europe sid... Tungsram; ...
1378 
1936 TAL4 Vacuum Pen... Europe sid... Tungsram; ...
1379 
1936 TCL4 Vacuum Pen... Europe sid... Tungsram; ...
1380 
1936 TEBC3 Double Dio... Europe sid... Tungsram; ... Philips; E...
1381 
1936 TEF5 Vacuum Pen... Europe sid... Tungsram; ... Philips; E...
1382 
1936 TEF6 Vacuum Pen... Europe sid... Tungsram; ... Philips; E...
1383 
1936 TEZ2 Full-Wave ... Europe sid... Tungsram; ... Philips; E...
1384 
1936 TKC3 Triode, va... Europe sid... Tungsram; ...
1385 
1936 TKDD1 Double Tri... Europe sid... Tungsram; ...
1386 
1936 TKF3 Vacuum Pen... Europe sid... Tungsram; ...
1387 
1936 TKF4 Vacuum Pen... Europe sid... Tungsram; ...
1388 
1936 TKL1_p8 Vacuum Pen... Europe sid... Tungsram; ...
1389 
1937 25L6G Beam Power... Octal (Int... ROK Common typ...
1390 
1937 328A Vacuum Pen... 6-Pin-Base... ZA Common typ...
1391 
1937 4683 Triode, va... Europe sid... NL Philips; E...
1392 
1937 4689 Vacuum Pen... Europe sid... NL Philips; E...
1393 
1937 4D1_Loewe Double Diode Europe sid... CDN Loewe-(Opt...
1394 
1937 50NG High-vacuu... German Ste... CDN Loewe-(Opt...
1395 
1937 5Y3GB Full-Wave ... Octal (Int... CH Common typ...
1396 
1937 6S5 Mag. Eye, ... 6-Pin-Base... ROK Common typ...
1397 
1937 6X6_single-cathode Mag. Eye, ... Octal (Int... ROK Rogers-Maj...
1398 
1937 ABL1 Double Dio... Europe sid... NL Philips; E...
1399 
1937 AC/Q Beam Power... British-7-... Hivac Ltd....
1400 
1937 AC/QA Beam Power... Octal (Int... Hivac Ltd....
1401 
1937 AH100 HEXODE Europe sid... D Telefunken... Telefunken...
1402 
1937 AM2 Mag. Eye, ... Europe sid... D Common typ... Telefunken...
1403 
1937 C/EM2 Mag. Eye, ... Europe sid... D Telefunken... Telefunken...
1404 
1937 CBL1 Double Dio... Europe sid... EU Philips; E... Philips; E...
1405 
1937 CK2 LOCKED OFF...
1406 
1937 D1_Mazda_GB Signal Dio... Mazda = Va...
1407 
1937 D63 Double Diode Octal (Int... A MO Valve C...
1408 
1937 EBF1 Double Dio... Europe sid... NL Philips; E... Philips; E...
1409 
1937 EBL1 Double Dio... Europe sid... NL Common typ... Philips; E...
1410 
1937 EH2 HEPTODE Europe sid... NL Philips; E... Philips; E...
1411 
1937 FEM Field Emis... Edison big... Leybold; D...
1412 
1937 H63 Triode, va... Octal (Int... ZA Common typ...
1413 
1937 HVR2 Half-Wave ... Europe 4-P... A Mullard Ra...
1414 
1937 PX5 Triode, va... Europe 4-P... A Common typ...
1415 
1937 RS276 Transmitti... Europe 4-P... CDN Telefunken...
1416 
1937 RS289 Transmitti... Europe 5-P... CDN Telefunken...
1417 
1937 RS289spez Transmitti... Europe sid... CDN Telefunken...
1418 
1937 RV12P2000 Vacuum Pen... Side conta... CDN Telefunken... Telefunken...
1419 
1937 TH4A Triode-Hep... British-7-... TW Tungsram; ...
1420 
1937 VF7 Vacuum Pen... Europe sid... D Telefunken... Telefunken...
1421 
1937 W63 Vacuum Pen... Octal (Int... ROK Common typ...
1422 
1937 X63 Pentagrid-... Octal (Int... ZA Common typ...
1423 
1937 Y63 Mag. Eye, ... Octal (Int... A Osram-Valv...
1424 
1937 Z63 Vacuum Pen... Octal (Int... ROK Common typ...
1425 
1938 1882 Full-Wave ... Europe sid... CH Philips; E...
1426 
1938 1883 Full-Wave ... Europe sid... CH Philips; E...
1427 
1938 241NG Full-Wave ... German Ste... CDN Loewe-(Opt...
1428 
1938 24M3 Triode-Hex... Europe sid... CDN Loewe-(Opt...
1429 
1938 25L6GT Beam Power... Octal (Int... ROK Common typ...
1430 
1938 4051 Oscillosco... British-7-... Osram-Valv...
1431 
1938 4688 Vacuum Pen... Europe sid... NL Philips; E...
1432 
1938 4699 Vacuum Pen... Europe sid... NL Philips; E...
1433 
1938 4V2 SINGLE-DIO... Europe sid... D Loewe-(Opt...
1434 
1938 6E8G Triode-Hex... Octal (Int... CH Common typ...
1435 
1938 6M6 Vacuum Pen... Octal (Int... CH Common typ...
1436 
1938 6SK7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1437 
1938 AD1/350 Triode, va... Europe sid... D Telefunken...
1438 
1938 AL5/325 Vacuum Pen... Europe sid... D Telefunken...
1439 
1938 AL5/375 Vacuum Pen... Europe sid... NL Philips; E...
1440 
1938 AZ11 Full-Wave ... German Ste... D Common typ...
1441 
1938 AZ12 Full-Wave ... German Ste... D Telefunken...
1442 
1938 AZ31 Full-Wave ... Octal (Int... GB Mullard Ra...
1443 
1938 AZ32 Full-Wave ... Octal-8 GB... GB Common typ... Mullard Wi...
1444 
1938 AZ4 Full-Wave ... Europe sid... NL Philips; E...
1445 
1938 CCH1 Triode-Hex... Europe sid... D Telefunken... Telefunken...
1446 
1938 CK3 OCTODE Europe sid... EU Common typ... Philips; E...
1447 
1938 CL6 Vacuum Pen... Europe sid... EU Common typ... Philips; E...
1448 
1938 CY31 Half-Wave ... Octal (Int... GB Mullard Ra...
1449 
1938 DAS1 Screen-gri... OTHER TUBE... A Mullard Ra...
1450 
1938 EAB1 Triple Diode Europe sid... NL Philips; E... Philips; E...
1451 
1938 EB11 Double Diode German Ste... D Telefunken... Telefunken...
1452 
1938 EB11_Prototyp Double Diode Telefunken... Telefunken...
1453 
1938 EBC11 Double Dio... German Ste... D Telefunken... Telefunken...
1454 
1938 EBC11_Prototyp Double Dio... Telefunken... Telefunken...
1455 
1938 EBC33 Double Dio... Octal (Int... GB Mullard Ra... Mullard Wi...
1456 
1938 EBF11 Double Dio... German Ste... D Telefunken... Telefunken...
1457 
1938 EBF11_Prototyp Double Dio... Telefunken... Telefunken...
1458 
1938 EBF11g Double Dio... German Ste... Telefunken... Telefunken...
1459 
1938 EBF2 Double Dio... Europe sid... EU Common typ...
1460 
1938 EBL31 Double Dio... Octal (Int... GB Mullard Ra... Mullard Wi...
1461 
1938 ECH11 Triode-Hex... German Ste... D Common typ... Telefunken...
1462 
1938 ECH2 Triode-Hep... Europe sid... NL Philips; E... Philips; E...
1463 
1938 EDD11 Double Tri... German Ste... D Telefunken... Telefunken...
1464 
1938 EDD11_Prototyp Double Tri... Telefunken... Telefunken...
1465 
1938 EE1 Secondary ... Europe sid... NL Philips; E... Philips; E...
1466 
1938 EF11 Vacuum Pen... German Ste... D Common typ... Telefunken...
1467 
1938 EF12 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1468 
1938 EF13 Vacuum Pen... German Ste... D Telefunken... Telefunken...
1469 
1938 EF8 HEXODE Europe sid... NL Philips; E... Philips; E...
1470 
1938 EF9 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1471 
1938 EFM1 Mag.Eye-Pe... Europe sid... NL Philips; E... Philips; E...
1472 
1938 EFM11 Mag.Eye-Pe... German Ste... D Telefunken... Telefunken...
1473 
1938 EK3 OCTODE Europe sid... NL Philips; E... Philips; E...
1474 
1938 EL11 Vacuum Pen... German Ste... D Common typ... Telefunken...
1475 
1938 EL12 Vacuum Pen... German Ste... D Common typ... Telefunken...
1476 
1938 EL32 Vacuum Pen... Octal (Int... GB Common typ... Mullard Wi...
1477 
1938 EL33 Vacuum Pen... Octal (Int... GB Common typ... Mullard Wi...
1478 
1938 EL6 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1479 
1938 EL6/425 Vacuum Pen... Europe sid... Valvo Radi...
1480 
1938 ELL1 Double Pen... Europe sid... NL Common typ... Philips; E...
1481 
1938 EM3 Mag. Eye, ... Europe sid... GB Common typ... Mullard Wi...
1482 
1938 EZ11 Full-Wave ... German Ste... D Common typ... Telefunken...
1483 
1938 EZ11_Prototyp Full-Wave ... Telefunken... Telefunken...
1484 
1938 EZ12 Full-Wave ... German Ste... D Telefunken... Telefunken...
1485 
1938 HD23 Double Dio... Europe 5-P... A MO Valve C...
1486 
1938 KH1 HEXODE Europe sid... EU Common typ... Philips; E...
1487 
1938 KT33 Screen-gri... Octal (Int... A MO Valve C...
1488 
1938 KTZ41 Vacuum Pen... British-7-... A MO Valve C...
1489 
1938 L63 Triode, va... Octal (Int... A MO Valve C... MO Valve C...
1490 
1938 OSW3121 Full-Wave ... German Ste... Werk für F...
1491 
1938 RES1664d Vacuum Pen... Europe 5-P... CDN Telefunken...
1492 
1938 VCL11 Triode-Bea... German Ste... EU Common typ... Telefunken...
1493 
1938 VL4 Beam Power... Europe sid... EU Common typ... Telefunken...
1494 
1938 VY2 Half-Wave ... Europe sid... EU Common typ... Telefunken...
1495 
1938 WE22 Triode-Hex... Europe sid... HK Telefunken...
1496 
1938 WW313A Thyratron ... UX-Base (4... Bell Labs;...
1497 
1939 12SA7 Pentagrid-... Octal (Int... ROK Common typ... RCA (RCA V...
1498 
1939 12SK7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1499 
1939 12SQ7 Double Dio... Octal (Int... ROK Common typ... RCA (RCA V...
1500 
1939 12SQ7GT Double Dio... Octal (Int... ROK Common typ...
1501 
1939 1630 HEXODE OTHER TUBE... ROK RCA (RCA V... RCA (RCA V...
1502 
1939 35Z5G High-vacuu... Octal (Int... ROK Common typ... National U...
1503 
1939 35Z5GT Half-Wave ... Octal (Int... ROK Common typ... Ken-Rad, T...
1504 
1939 4654 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1505 
1939 4694 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1506 
1939 50L6GT Beam Power... Octal (Int... ROK Common typ...
1507 
1939 6A6X Double Tri... 7-Pin-Base... Common typ...
1508 
1939 6A8GTX Pentagrid-... Octal (Int... ROK Common typ...
1509 
1939 6AC7 Vacuum Pen... Octal (Int... ROK Common typ...
1510 
1939 6AF7 Mag. Eye, ... Octal (Int... CH Common typ...
1511 
1939 6H8 Double Dio... Octal (Int... CH Common typ...
1512 
1939 6SQ7 Double Dio... Octal (Int... ROK Common typ... RCA (RCA V...
1513 
1939 AC101 Triode, va... Europe 5-P... D Telefunken...
1514 
1939 AD100 Triode, va... EU-Telepho... D Telefunken...
1515 
1939 AL5N UNKNOWN NL Philips; E... Philips; E...
1516 
1939 AX50 Full-Wave ... Europe 4-P... NL Philips; E...
1517 
1939 AZ11N Full-Wave ... German Ste... NL Telefunken... Philips; E...
1518 
1939 AZ50 Full-Wave ... Europe 4-P... NL Philips; E...
1519 
1939 C10 Current Re... Europe sid... EU Philips; E... Philips; E...
1520 
1939 C13 Ballast Tu... Europe sid... NL Philips; E... Philips; E...
1521 
1939 CBL6 Double Dio... Europe sid... NL Philips; E... Philips; E...
1522 
1939 CF50 Vacuum Pen... Europe sid... EU Common typ... Philips; E...
1523 
1939 D43 Signal Dio... Europe 4-P... A MO Valve C...
1524 
1939 DF33 Vacuum Pen... Octal (Int... EU Common typ... Mullard Wi...
1525 
1939 DL33 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Wi...
1526 
1939 EA111 Half-Wave ... German Ste... D Common typ... Telefunken...
1527 
1939 EC50 Thyratron Europe sid... NL Common typ... Philips; E...
1528 
1939 ECH3 Triode-Hex... Europe sid... NL Common typ... Philips; E...
1529 
1939 ECH35 Triode-Hex... Octal (Int... GB Mullard Ra...
1530 
1939 ECL11 Triode-Bea... German Ste... D Telefunken... Telefunken...
1531 
1939 EE50 Secondary ... Loctal-9-P... NL Common typ... Philips; E...
1532 
1939 EF14 Vacuum Pen... German Ste... D Telefunken... Telefunken...
1533 
1939 EF36 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Wi...
1534 
1939 EF38 HEXODE Octal (Int... GB Mullard Ra... Mullard Ra...
1535 
1939 EF39 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Ra...
1536 
1939 EF50 Vacuum Pen... Loctal-9-P... NL Common typ... Philips; E...
1537 
1939 EL11N Vacuum Pen... German Ste... NL Philips; E...
1538 
1939 EL12spez Vacuum Pen... German Ste... D Telefunken... Telefunken...
1539 
1939 EL3/375 Vacuum Pen... Europe sid... Philips; E...
1540 
1939 EL3N Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1541 
1939 EM11 Mag. Eye, ... German Ste... D Telefunken... Telefunken...
1542 
1939 EM2 Mag. Eye, ... Europe sid... D Telefunken... Philips; E...
1543 
1939 EM4 Mag. Eye, ... Europe sid... NL Common typ... Philips; E...
1544 
1939 ES111 Vacuum Pen... German Ste... D Telefunken... Telefunken...
1545 
1939 KC4 Triode, va... Europe sid... EU Common typ... Philips; E...
1546 
1939 KCH1 Triode-Hex... Europe sid... EU Common typ... Telefunken...
1547 
1939 KL5 Vacuum Pen... Europe sid... EU Common typ...
1548 
1939 UBF11 Double Dio... German Ste... EU Common typ... Telefunken...
1549 
1939 UCH11 Triode-Hex... German Ste... EU Common typ... Telefunken...
1550 
1939 UCL11 Triode-Bea... German Ste... EU Common typ... Telefunken...
1551 
1939 UY11 Half-Wave ... German Ste... EU Common typ... Telefunken...
1552 
1939 VF3 Vacuum Pen... Europe sid... D Telefunken...
1553 
1939 VL1a Vacuum Pen... D Telefunken... Telefunken...
1554 
1939 VT-127A Transmitti... OTHER TUBE... ROK Common typ...
1555 
1939 VT-128 HEPTODE OTHER TUBE... CDN Common typ...
1556 
1939 X61M Triode-Hex... Octal (Int... A Marconi-Os...
1557 
1940 1R5 Pentagrid-... Miniatur-7... USA Common typ...
1558 
1940 1S4 Vacuum Pen... Miniatur-7... ROK Common typ...
1559 
1940 1T4 Vacuum Pen... Miniatur-7... ROK Common typ...
1560 
1940 6M7 Vacuum Pen... Octal (Int... CH Common typ...
1561 
1940 6V6GT Beam Power... Octal (Int... ROK Common typ... Hytron; Sa...
1562 
1940 AD1/400 Triode, va... D Telefunken...
1563 
1940 AF100 Vacuum Pen... Side conta... D Telefunken...
1564 
1940 DAC21 Diode-Triode Octal (Int... EU Common typ... Philips; E...
1565 
1940 DAF11 Diode-Pent... German Ste... EU Common typ... Telefunken...
1566 
1940 DAH50 SPECIAL TU... Octal (Int... NL Philips; E... Philips; E...
1567 
1940 DBC21 Double Dio... Octal (Int... NL Philips; E... Philips; E...
1568 
1940 DC11 Triode, va... German Ste... EU Common typ... Telefunken...
1569 
1940 DCH11 Triode-Hex... German Ste... EU Common typ... Telefunken...
1570 
1940 DDD11 Double Tri... German Ste... EU Common typ... Telefunken...
1571 
1940 DF11 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1572 
1940 DF21 Vacuum Pen... Octal (Int... EU Common typ... Philips; E...
1573 
1940 DF22 Vacuum Pen... Octal (Int... NL Philips; E...
1574 
1940 DK21 OCTODE Octal (Int... NL Philips; E... Philips; E...
1575 
1940 DL11 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1576 
1940 DL21 Vacuum Pen... Octal (Int... NL Philips; E... Philips; E...
1577 
1940 DL31 Vacuum Pen... Octal (Int... EU Common typ... Mullard Wi...
1578 
1940 DLL21 Double Pen... Octal (Int... EU Philips; E... Philips; E...
1579 
1940 DLL21_2,8Volt LOCKED OFF... Octal (Int... Philips; E... Philips; E...
1580 
1940 DM21 Mag. Eye, ... Octal (Int... NL Philips; E... Philips; E...
1581 
1940 EA50 Signal Dio... Wires NL Common typ... Philips; E...
1582 
1940 ECF1 Triode-Pen... Europe sid... NL Common typ... Philips; E...
1583 
1940 ECH33 Triode-Hep... Octal (Int... GB Mullard Ra...
1584 
1940 ECH4 Triode-Hep... Europe sid... NL Philips; E... Philips; E...
1585 
1940 EL12/325 Vacuum Pen... German Ste...
1586 
1940 EL12/375 Vacuum Pen... German Ste... J Telefunken...
1587 
1940 EL50 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
1588 
1940 EL51 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
1589 
1940 UBL1 Double Dio... Octal (Int... EU Common typ... Philips; E...
1590 
1940 UCH4 Triode-Hep... Octal (Int... EU Common typ... Philips; E...
1591 
1940 UF11 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1592 
1940 UF9 Vacuum Pen... Octal (Int... EU Common typ... Philips; E...
1593 
1940 UFM11 Mag. Eye, ... German Ste... EU Common typ... Telefunken...
1594 
1940 UL12 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1595 
1940 UM11 Mag. Eye, ... German Ste... EU Common typ... Telefunken...
1596 
1940 UM4 Mag. Eye, ... Octal (Int... EU Common typ... Philips; E...
1597 
1941 708A Triode, va... Western El... Western El...
1598 
1941 AZ21 Full-Wave ... Loctal-8, ... NL Philips; E... Philips; E...
1599 
1941 CV35 Reflex Kly... Octal (Int... Common typ... EMI; Hayes...
1600 
1941 DAC25 Diode-Triode Loctal-8, ... NL Philips; E... Philips; E...
1601 
1941 DC25 Triode, va... Loctal-8, ... EU Common typ... Philips; E...
1602 
1941 DCH21 Triode-Hex... Octal (Int... EU Common typ... Philips; E...
1603 
1941 DCH22 Triode-Hex... Loctal-8, ... NL Philips; E... Philips; E...
1604 
1941 DCH25 Triode-Hex... Loctal-8, ... NL Philips; E... Philips; E...
1605 
1941 DDD25 Double Tri... Loctal-8, ... NL Common typ... Philips; E...
1606 
1941 DF25 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1607 
1941 DF26 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1608 
1941 EBL21 Double Dio... Loctal-8, ... NL Philips; E... Philips; E...
1609 
1941 ECH21 Triode-Hep... Loctal-8, ... NL Philips; E... Philips; E...
1610 
1941 EF22 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1611 
1941 EF53 Vacuum Pen... Loctal-9-P... NL Philips; E... Philips; E...
1612 
1941 EFF50 Double Pen... Loctal-9-P... NL Philips; E... Philips; E...
1613 
1941 EFF51 Double Pen... Loctal-9-P... NL Philips; E... Philips; E...
1614 
1941 UBL21 Double Dio... Loctal-8, ... NL Common typ... Philips; E...
1615 
1941 UCH21 Triode-Hep... Loctal-8, ... NL Philips; E... Philips; E...
1616 
1941 UF21 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1617 
1941 UY1N Half-Wave ... Octal (Int... D Common typ...
1618 
1941 UY21 Half-Wave ... Loctal-8, ... NL Philips; E... Philips; E...
1619 
1942 6AK5 Vacuum Pen... Miniatur-7... USA Common typ... Western El...
1620 
1942 721A TR-switch Bell Labs;...
1621 
1942 729A TR-switch Western El...
1622 
1942 DL25 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1623 
1942 EBF32 Double Dio... Octal (Int... GB Mullard Ra... Mullard Wi...
1624 
1942 ECC31 Double Tri... Octal (Int... GB Mullard Ra...
1625 
1942 ECC32 Double Tri... Octal (Int... GB Mullard Ra...
1626 
1942 ECC35 Double Tri... Octal (Int... GB Mullard Ra...
1627 
1942 EF37 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Ra...
1628 
1942 EF37A Vacuum Pen... Octal (Int... Mullard Ra... Mullard Ra...
1629 
1942 EF51 Vacuum Pen... Loctal-8, ... NL Common typ... Philips; E...
1630 
1942 EL151 Beam Power... German Ste... CDN Telefunken...
1631 
1943 1B24 TR-switch OTHER TUBE... ROK Common typ... Westinghou...
1632 
1944 P2d Vacuum Pen... OTHER TUBE... BBC - Brow...
1633 
1946 12AT6 Double Dio... Miniatur-7... ROK Common typ... RCA (RCA V...
1634 
1946 12BA6 Vacuum Pen... Miniatur-7... USA Common typ... RCA (RCA V...
1635 
1946 12BE6 Pentagrid-... Miniatur-7... ROK Common typ... RCA (RCA V...
1636 
1946 35W4 Half-Wave ... Miniatur-7... ROK Common typ... RCA (RCA V...
1637 
1946 3KP1 Oscillosco...
1638 
1946 3V4 Vacuum Pen... Miniatur-7... ROK Common typ...
1639 
1946 6BA6 Vacuum Pen... Miniatur-7... USA Common typ... RCA (RCA V...
1640 
1946 6BE6 Pentagrid-... Miniatur-7... USA Common typ... RCA (RCA V...
1641 
1946 EL38 Vacuum Pen... Octal (Int... A Common typ...
1642 
1946 EM34 Mag. Eye, ... Octal (Int... A Common typ...
1643 
1946 GL5559 Thyratron UX-Base (4... General El... General El...
1644 
1946 GL5560 Thyratron General El... General El...
1645 
1946 Selectron COUNTING A... RCA (RCA V...
1646 
1947 12AT7 Double Tri... Noval, B9A USA Common typ... General El...
1647 
1947 45A5 Vacuum Pen... Rimlock ba... Common typ... Philips; E...
1648 
1947 6CJ5 Vacuum Pen... Rimlock ba... Common typ... Philips; E...
1649 
1947 6CK5 Vacuum Pen... Rimlock ba... Common typ... Philips; E...
1650 
1947 AZ41 Full-Wave ... Rimlock ba... EU Common typ... Philips; E...
1651 
1947 BF451_Mazda-F Vacuum Pen... Rimlock ba... Mazda Fran...
1652 
1947 BF62 Vacuum Pen... Rimlock ba... Mazda Fran...
1653 
1947 CF141 Triode-Hex... Rimlock ba... Mazda Fran...
1654 
1947 DAF91 Diode-Pent... Miniatur-7... NL Philips; E... Philips; E...
1655 
1947 DF91 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1656 
1947 DK91 HEPTODE Miniatur-7... EU Common typ...
1657 
1947 DL92 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1658 
1947 EAF41 Diode-Pent... Rimlock ba... J Common typ...
1659 
1947 ECH11g Triode-Hex... German Ste... Telefunken...
1660 
1947 ECH41 Triode-Hex... Rimlock ba... Common typ...
1661 
1947 EEP1 Secondary ... NL Philips; E...
1662 
1947 EF41 Vacuum Pen... Rimlock ba... J Common typ...
1663 
1947 EFP20 Secondary ... NL Philips; E...
1664 
1947 EFP60 Secondary ... Loctal-9-P... NL Philips; E...
1665 
1947 EL20 Vacuum Pen... Loctal-8, ... NL Philips; E...
1666 
1947 EL39 Vacuum Pen... Philips; E...
1667 
1947 EL41 Vacuum Pen... Rimlock ba... J Common typ...
1668 
1947 EL42 Vacuum Pen... Rimlock ba... J Common typ...
1669 
1947 EL42E Vacuum Pen... Rimlock ba...
1670 
1947 EL60 Vacuum Pen... Loctal-9-P... NL Philips; E...
1671 
1947 EW60 Half-Wave ... Loctal-9-P... NL Philips; E...
1672 
1947 ML5658 Transmitte... ROK Machlett L...
1673 
1947 N17 Vacuum Pen... Miniatur-7...
1674 
1947 UAF41 Diode-Pent... Rimlock ba... J Common typ...
1675 
1947 UCH41 Triode-Hex... Rimlock ba... J Common typ...
1676 
1947 UF41 Vacuum Pen... Rimlock ba... J Common typ... Philips; E...
1677 
1947 UL41 Vacuum Pen... Rimlock ba... J Common typ...
1678 
1947 UL71 Vacuum Pen... Loctal-8, ... CDN Lorenz; Be...
1679 
1947 UY41 Half-Wave ... Rimlock ba... J Common typ... Philips; E...
1680 
1947 V311 Half-Wave ... Rimlock ba... Mazda Fran...
1681 
1947 V41_Mazda-F Full-Wave ... Rimlock ba... Mazda Fran... Philips; E...
1682 
1947 VCH11 Triode-Hex... German Ste... CDN Telefunken...
1683 
1947 VEL11 Double Tet... German Ste... CDN Telefunken... Telefunken...
1684 
1947 VF14 Vacuum Pen... German Ste... CDN Telefunken...
1685 
1947 W17 Vacuum Pen... Miniatur-7...
1686 
1947 Williams-Kilburn COUNTING A...
1687 
1947 X17 HEPTODE Miniatur-7...
1688 
1947 ZD17 Diode-Pent... Miniatur-7...
1689 
1948 12AV6 Double Dio... Miniatur-7... ROK Common typ...
1690 
1948 3KP4 Television... D Common typ...
1691 
1948 50C5 Beam Power... Miniatur-7... ROK Common typ...
1692 
1948 6CT7 Diode-Pent... Rimlock ba... Common typ... Philips; E...
1693 
1948 7AK7 Vacuum Pen... Loctal-8, ...
1694 
1948 AA61 Double Tri... Rimlock ba... Mazda Fran... Philips; E...
1695 
1948 DAF40 Diode-Pent... NL Philips; E... Philips; E...
1696 
1948 DAF41 Diode-Pent... NL Philips; E... Philips; E...
1697 
1948 DK40 OCTODE Rimlock ba... EU Common typ... Philips; E...
1698 
1948 DL41 Vacuum Pen... Rimlock ba... EU Common typ... Philips; E...
1699 
1948 DL91 Vacuum Pen... Miniatur-7... NL Philips; E...
1700 
1948 EAF42 Diode-Pent... Rimlock ba... Common typ... Philips; E...
1701 
1948 EB41 Double Diode Rimlock ba... Common typ...
1702 
1948 ECC40 Double Tri... Rimlock ba... J Common typ... Philips; E...
1703 
1948 ECH42 Triode-Hex... Rimlock ba... Common typ... Philips; E...
1704 
1948 EF40 Vacuum Pen... Rimlock ba... J Common typ...
1705 
1948 EF42 Vacuum Pen... Rimlock ba... J Common typ...
1706 
1948 ESU400 Half-Wave ... UV-Base (4... Mazda = Va...
1707 
1948 EY51 Half-Wave ... OTHER TUBE... NL Philips; E...
1708 
1948 EZ40 Full-Wave ... Rimlock ba... Common typ... Philips; E...
1709 
1948 EZ41 Full-Wave ... Rimlock ba... Common typ... Philips; E...
1710 
1948 GL5720 Thyratron UX-Base (4... General El... General El...
1711 
1948 GZ40 Full-Wave ... Common typ...
1712 
1948 UAF42 Diode-Pent... Rimlock ba... Common typ...
1713 
1948 UBF11g Double Dio... Telefunken...
1714 
1948 UBL3 Double Dio... Europe sid... CDN Valvo Radi...
1715 
1948 UCH11g Triode-Hex... Telefunken...
1716 
1948 UCH42 Triode-Hex... Rimlock ba... Common typ... Philips; E...
1717 
1948 UCH5 Triode-Hep... Europe sid... CDN Valvo Radi...
1718 
1948 UEL71 Tetrode-Pe... Loctal-8, ... CDN Lorenz; Be...
1719 
1948 UF6 Vacuum Pen... Europe sid... Valvo Radi...
1720 
1948 UL2_Valvo Beam Power... Europe sid... EU Valvo Radi... Valvo Radi...
1721 
1948 UL44 Vacuum Pen... Rimlock ba...
1722 
1948 UY3 Half-Wave ... Europe sid... CDN Valvo Radi...
1723 
1948 UY42 Half-Wave ... Rimlock ba... Philips; E...
1724 
1948 V312_Mazda-F Half-Wave ... Rimlock ba... Mazda Fran...
1725 
1948 V51_Mazda-F Full-Wave ... Mazda Fran...
1726 
1948 V61 Full-Wave ... Rimlock ba... Mazda Fran...
1727 
1949 12SP7 Radar Pict... Duodecal (... Common typ...
1728 
1949 3KP11 Oscillosco... RCA (RCA V...
1729 
1949 6AN7 Triode-Hex... Noval, B9A Common typ... Philips; E...
1730 
1949 6BD7 Double Dio... Noval, B9A Common typ... Philips; E...
1731 
1949 6M5 Vacuum Pen... Noval, B9A Common typ... Philips; E...
1732 
1949 6N8 Double Dio... Noval, B9A Common typ... Philips; E...
1733 
1949 DF92 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1734 
1949 EAT1500 Transmitti... Ediswan, S...
1735 
1949 EB91 Double Diode Miniatur-7... A Common typ...
1736 
1949 EBC41 Double Dio... Rimlock ba... Common typ... Philips; E...
1737 
1949 EC80 Triode, va... Noval, B9A
1738 
1949 EL13 Beam Power... German Ste... Telefunken...
1739 
1949 EL8 Beam Power... Europe sid... Valvo Radi... Valvo Radi...
1740 
1949 EM71 Mag. Fan, ... Loctal-8, ... Lorenz; Be... Lorenz; Be...
1741 
1949 EQ40 ENNEODE Rimlock ba... Common typ... Philips; E...
1742 
1949 MSC2 Triode, va... Wires Hiller, A.... Hiller, A....
1743 
1949 UBC41 Double Dio... Rimlock ba... Philips; E...
1744 
1949 UEL11 Double Tet... German Ste... Telefunken... Telefunken...
1745 
1949 UF5 Vacuum Pen... Europe sid... Valvo Radi...
1746 
1949 UY2 Half-Wave ... Europe sid... Telefunken... Telefunken...
1747 
1949 UY4 Half-Wave ... Europe sid... Valvo Radi... Valvo Radi...
1748 
1950 5976 Reflex Kly... Raytheon M...
1749 
1950 DAP50 Vacuum Pen... German Ste... Telefunken...
1750 
1950 DF67 Vacuum Pen... Subminiatu...
1751 
1950 DF906 Screen-gri... Miniatur-7...
1752 
1950 DL67 Vacuum Pen... Subminiatu...
1753 
1950 DL907 Vacuum Pen... Miniatur-7... Telefunken...
1754 
1950 DL93 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1755 
1950 DL94 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1756 
1950 DL95 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1757 
1950 DLL101 Double Pen... Miniatur-7... Tungsram; ... Tungsram; ...
1758 
1950 EAA11 Double Diode German Ste... Telefunken...
1759 
1950 EBC91 Double Dio... Miniatur-7... Common typ...
1760 
1950 EBF15 Double Dio... German Ste... Telefunken... Telefunken...
1761 
1950 EBF80 Double Dio... Noval, B9A Common typ...
1762 
1950 EBL71 Double Dio... Loctal-8, ... Lorenz; Be...
1763 
1950 ECF12 Triode-Pen... German Ste... Telefunken... Telefunken...
1764 
1950 ECH43 Triode-Hex... Rimlock ba... Common typ...
1765 
1950 ECH71 Triode-Hep... Loctal-8, ... Lorenz; Be...
1766 
1950 ECL113 Triode-Bea... Rimlock ba... Telefunken... Telefunken...
1767 
1950 ECL80 Triode-Pen... Noval, B9A Common typ... Philips; E...
1768 
1950 EEL71 Tetrode-Pe... Lorenz; Be...
1769 
1950 EF15 Vacuum Pen... German Ste... Telefunken... Telefunken...
1770 
1950 EF43 Vacuum Pen... Rimlock ba... Common typ...
1771 
1950 EF80 Vacuum Pen... Noval, B9A Common typ...
1772 
1950 EF93 Vacuum Pen... Miniatur-7... Common typ...
1773 
1950 EF94 Vacuum Pen... Miniatur-7... Common typ...
1774 
1950 EK90 Pentagrid-... Miniatur-7... Common typ...
1775 
1950 EL152 Transmitti... OTHER TUBE... Telefunken...
1776 
1950 EL34 Vacuum Pen... Octal (Int... Common typ... Philips; E...
1777 
1950 EL90 Beam Power... Miniatur-7... Common typ...
1778 
1950 EM5 Mag. Eye, ... Europe sid... Telefunken... Telefunken...
1779 
1950 EQ80 ENNEODE Noval, B9A Common typ... Philips; E...
1780 
1950 HBC91 Double Dio... Miniatur-7... Common typ...
1781 
1950 HF93 Vacuum Pen... Miniatur-7... Common typ...
1782 
1950