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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.
2061 Year Tube Type Base Country Manufacturer Design
1927 505 Half-Wave ... Europe 3-P... NL Philips; E...
1929 RGN354 Half-Wave ... Europe 3-P... CDN Telefunken...
1929 G495 Half-Wave ... Europe 3-P... CDN Valvo Radi...
1928 WE22_Rectron Current Re... Europe 3-P... Rectron Gm...
1927 GT138 Half-Wave ... Europe 3-P... CDN TeKaDe (TK...
1930 16NG Half-Wave ... Europe 3-P... CDN Loewe-(Opt...
1929 WE45_Rectron Current Re... Europe 3-P... CDN Rectron Gm...
1926 452 Current Re... Europe 3-P... NL Philips; E... Philips; E...
1932 RGN564 Half-Wave ... Europe 3-P... CDN Telefunken...
10 
1927 3006 Half-Wave ... Europe 3-P... NL Philips; E... Philips; E...
11 
1925 373 Half-Wave ... Europe 3-P... NL Philips; E...
12 
1931 1802 Half-Wave ... Europe 3-P... NL Philips; E...
13 
1931 1803 Half-Wave ... Europe 3-P... Philips; E...
14 
1927 RRR134 Half-Wave ... Europe 3-P... Radio-Reco...
15 
1933 VDSB Screen-gri... Europe 5-P... A Marconi-Os...
16 
1930 4N110 Triode, va... Europe 5-P... CDN TeKaDe (TK...
17 
1928 B543 Vacuum Pen... Europe 5-P... NL Philips; E...
18 
1931 NC4a Screen-gri... Europe 5-P... D Sator (bra...
19 
1932 VDS Screen-gri... Europe 5-P... A Marconi-Os...
20 
1931 C243N Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
21 
1932 E453 Vacuum Pen... Europe 5-P... NL Philips; E...
22 
1927 B443 Vacuum Pen... Europe 5-P... NL Philips; E...
23 
1933 E444S Diode-Triode Europe 5-P... NL Philips; E...
24 
1932 DW7 Screen-gri... Europe 5-P... A Marconi's ...
25 
1931 DH Triode, va... Europe 5-P... A Marconi-Os... Marconi-Os...
26 
1932 RENS1819 Screen-gri... Europe 5-P... CDN Telefunken...
27 
1929 E462 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
28 
1928 E430 Triode, va... Europe 5-P... NL Philips; E... Philips; E...
29 
1931 H2018D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
30 
1930 AC/HL Triode, va... Europe 5-P... Common typ...
31 
1934 TKL1_5pin Vacuum Pen... Europe 5-P... Tungsram; ... Telefunken...
32 
1932 NSS4 Screen-gri... Europe 5-P... Sator (bra...
33 
1932 HLA1 Triode, va... Europe 5-P... Standard T...
34 
1928 S215_Lutece Triode, va... Europe 5-P... Lutèce-Lum...
35 
1931 DPT_5pin Vacuum Pen... Europe 5-P... MO Valve C...
36 
1929 L425D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
37 
1929 L490D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
38 
1930 L491D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
39 
1930 L495D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
40 
1932 L4150D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
41 
1928 LAP513 Vacuum Pen... Europe 5-P... CDN Loewe-(Opt...
42 
1932 PT41 Vacuum Pen... Europe 5-P... A Cossor, A....
43 
1932 PT41B Vacuum Pen... Europe 5-P... A Cossor, A....
44 
1929 PT225 Vacuum Pen... Europe 5-P... A Lissen Ltd...
45 
1928 PT235 Vacuum Pen... Europe 5-P... A Marconi-Os...
46 
1929 R89 Vacuum Pen... Europe 5-P... CH Dario (tub...
47 
1928 4A15_Ultron Dual-Grid ... Europe 5-P... CH Ultron (tu...
48 
1930 4S120 Screen-gri... Europe 5-P... CDN TeKaDe (TK...
49 
1931 DC/SG Screen-gri... Europe 5-P... CH Mazda = Va...
50 
1931 DS Screen-gri... Europe 5-P... A MO Valve C...
51 
1931 E441N Dual-Grid ... Europe 5-P... NL Philips; E...
52 
1932 E451 Double Gri... Europe 5-P... NL Philips; E...
53 
1932 H1918D Screen-gri... Europe 5-P... CDN Valvo Radi...
54 
1928 H4100D Screen-gri... Europe 5-P... CDN Valvo Radi...
55 
1932 H4125D Screen-gri... Europe 5-P... CDN Valvo Radi...
56 
1932 NVS4 Screen-gri... Europe 5-P... D Sator (bra...
57 
1932 U1718D Dual-Grid ... Europe 5-P... CDN Valvo Radi...
58 
1929 4A80 Triode, va... Europe 5-P... CDN TeKaDe (TK...
59 
1929 4HA130 TRIODE (De... Europe 5-P... CDN TeKaDe (TK...
60 
1930 4W100 Triode, va... Europe 5-P... CDN TeKaDe (TK...
61 
1929 L4100 Triode, va... Europe 5-P... CDN Valvo Radi...
62 
1928 E442 Screen-gri... Europe 5-P... NL Philips; E...
63 
1929 E428 Triode, va... Europe 5-P... NL Philips; E... Philips; E...
64 
1932 H1818D Screen-gri... Europe 5-P... CDN Valvo Radi...
65 
1933 W4110 Triode, va... Europe 5-P... CDN Valvo Radi...
66 
1928 E424 Triode, va... Europe 5-P... NL Philips; E...
67 
1930 C443N Vacuum Pen... Europe 5-P... NL Philips; E...
68 
1931 A2118 Triode, va... Europe 5-P... CDN Valvo Radi...
69 
1939 AC101 Triode, va... Europe 5-P... D Telefunken...
70 
1933 AN2718 Diode-Triode Europe 5-P... CDN Valvo Radi...
71 
1933 AN4092 Diode-Triode Europe 5-P... CDN Valvo Radi...
72 
1928 E435 Triode, va... Europe 5-P... NL Philips; E...
73 
1928 H4100spez TRIODE (De... Europe 5-P... CDN Valvo Radi...
74 
1938 HD23 Double Dio... Europe 5-P... A MO Valve C...
75 
1930 LA203 Triode, va... Europe 5-P... CDN Loewe-(Opt...
76 
1928 W4100 Triode, va... Europe 5-P... CDN Valvo Radi...
77 
1929 4A120 Triode, va... Europe 5-P... CDN TeKaDe (TK...
78 
1928 E409N Triode, va... Europe 5-P... NL Philips; E...
79 
1931 L2218 Triode, va... Europe 5-P... CDN Valvo Radi...
80 
1938 RES1664d Vacuum Pen... Europe 5-P... CDN Telefunken...
81 
1933 W2418 TRIODE (De... Europe 5-P... CDN Valvo Radi...
82 
1931 DC/HL Triode, va... Europe 5-P... CH Mazda = Va...
83 
1932 RENS1818 Screen-gri... Europe 5-P... CDN Telefunken...
84 
1928 REN804 Triode, va... Europe 5-P... Telefunken... Telefunken...
85 
1932 REN1817d Dual-Grid ... Europe 5-P... CDN Telefunken...
86 
1932 RENS1284 Vacuum Pen... Europe 5-P... CDN Telefunken...
87 
1930 4A90 TRIODE (De... Europe 5-P... CDN TeKaDe (TK...
88 
1929 W4080 Triode, va... Europe 5-P... CDN Valvo Radi...
89 
1932 RENS1274 Screen-gri... Europe 5-P... CDN Telefunken...
90 
1932 C453 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
91 
1929 H4080D Screen-gri... Europe 5-P... CDN Valvo Radi...
92 
1931 REN1822 Triode, va... Europe 5-P... CDN Telefunken...
93 
1927 RENS1204 Screen-gri... Europe 5-P... D Telefunken...
94 
1931 B2045 Screen-gri... Europe 5-P... NL Philips; E...
95 
1928 E442S Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
96 
1931 E445 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
97 
1932 E455 Screen-gri... Europe 5-P... NL Philips; E... Philips; E...
98 
1932 E499 Triode, va... Europe 5-P... NL Philips; E...
99 
1933 H4115D Screen-gri... Europe 5-P... CDN Valvo Radi...
100 
1928 E415 Triode, va... Europe 5-P... NL Philips; E...
101 
1928 E438 Triode, va... Europe 5-P... NL Philips; E...
102 
1933 AF2 Vacuum Pen... Europe 5-P... NL Philips; E...
103 
1928 A4100 Triode, va... Europe 5-P... CDN Valvo Radi...
104 
1932 2HMD Double Tet... Europe 5-P... CDN Loewe-(Opt...
105 
1928 RV275 Triode, va... Europe 5-P... CDN Telefunken...
106 
1933 REN914 Triode, va... Europe 5-P... CDN Telefunken...
107 
1929 A4110 Triode, va... Europe 5-P... D Valvo Radi...
108 
1933 RENS1894 Vacuum Pen... Europe 5-P... CDN Telefunken...
109 
1930 L416D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
110 
1933 BL2 Vacuum Pen... Europe 5-P... EU Common typ...
111 
1931 RENS1820 Vacuum Pen... Europe 5-P... CDN Telefunken...
112 
1937 RS289 Transmitti... Europe 5-P... CDN Telefunken...
113 
1931 RES174 Vacuum Pen... Europe 5-P... Telefunken...
114 
1933 RENS1884 Vacuum Pen... Europe 5-P... CDN Telefunken...
115 
1928 REN2204 Triode, va... Europe 5-P... CDN Telefunken...
116 
1933 E447 Vacuum Pen... Europe 5-P... NL Philips; E...
117 
1931 RES364 Vacuum Pen... Europe 5-P... CDN Telefunken...
118 
1929 E424N Triode, va... Europe 5-P... NL Philips; E...
119 
1933 H4128D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
120 
1934 KL1_5pin Vacuum Pen... Europe 5-P... EU Common typ... Telefunken...
121 
1933 RENS1294 Vacuum Pen... Europe 5-P... CDN Telefunken...
122 
1931 RENS1264 Screen-gri... Europe 5-P... CDN Telefunken...
123 
1933 REN924 Diode-Triode Europe 5-P... CDN Telefunken...
124 
1931 E452T Screen-gri... Europe 5-P... Philips; E... Philips; E...
125 
1932 H4111D Screen-gri... Europe 5-P... CDN Valvo Radi...
126 
1928 C443 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
127 
1931 RES374 Vacuum Pen... Europe 5-P... CDN Telefunken...
128 
1931 L427D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
129 
1929 E443 Vacuum Pen... Europe 5-P... Philips; E... Philips; E...
130 
1930 E443N Vacuum Pen... Europe 5-P... NL Philips; E...
131 
1930 RES664d Vacuum Pen... Europe 5-P... CDN Telefunken...
132 
1933 E443H Vacuum Pen... Europe 5-P... NL Philips; E...
133 
1933 RES964 Vacuum Pen... Europe 5-P... CDN Telefunken...
134 
1933 L496D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
135 
1931 L2318D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
136 
1931 RENS1823d Vacuum Pen... Europe 5-P... CDN Telefunken...
137 
1932 RENS1374d Vacuum Pen... Europe 5-P... CDN Telefunken...
138 
1928 B443S Vacuum Pen... Europe 5-P... NL Philips; E...
139 
1933 F443 Vacuum Pen... Europe 5-P... NL Philips; E...
140 
1933 F443N Vacuum Pen... Europe 5-P... NL Philips; E...
141 
1928 E441 Dual-Grid ... Europe 5-P... NL Philips; E...
142 
1929 U4100D Dual-Grid ... Europe 5-P... CDN Valvo Radi...
143 
1934 C243 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
144 
1929 REN904 Triode, va... Europe 5-P... D Telefunken...
145 
1933 REN1826 Diode-Triode Europe 5-P... CDN Telefunken...
146 
1929 PP430 Vacuum Pen... Europe 5-P... TW Tungsram; ...
147 
1928 E409 Triode, va... Europe 5-P... NL Philips; E...
148 
1932 DSB Screen-gri... Europe 5-P... A MO Valve C...
149 
1933 H4129D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
150 
1931 EG50 Half-Wave ... Europe 5-P... D Ostar (Gus... Ostar (Gus...
151 
1935 D41 Double Diode Europe 5-P... A MO Valve C... MO Valve C...
152 
1926 REN1104 Triode, va... Europe 5-P... CDN Telefunken...
153 
1927 REN1004 Triode, va... Europe 5-P... CDN Telefunken...
154 
1931 RENS1214 Screen-gri... Europe 5-P... CDN Telefunken...
155 
1933 AB1 Double Diode Europe 5-P... EU Common typ...
156 
1933 H2618D Vacuum Pen... Europe 5-P... CDN Valvo Radi...
157 
1933 REN1814 Triode, va... Europe 5-P... CDN Telefunken...
158 
1934 BB1 Double Diode Europe 5-P... D Telefunken...
159 
1931 REN1821 Triode, va... Europe 5-P... CDN Telefunken...
160 
1928 C643 Vacuum Pen... Europe 5-P... NL Philips; E... Philips; E...
161 
1927 D243 Vacuum Pen... Europe 5-P... NL Philips; E...
162 
1931 DC/Pen Vacuum Pen... Europe 5-P... CH Mazda = Va...
163 
1931 DL Triode, va... Europe 5-P... A Marconi-Os... Marconi-Os...
164 
1927 ST61B Triode, va... Europe 4-P... Scott - Ta...
165 
1927 ST62 Triode, va... Europe 4-P... Scott - Ta...
166 
1927 ST63 Triode, va... Europe 4-P... Scott - Ta...
167 
1926 SV7 Triode, va... Europe 4-P... Triotron (...
168 
1922 T30_MO Transmitti... Europe 4-P... MO Valve C...
169 
1927 TP2_Vatea Triode, va... Europe 4-P... VATEA; Bud...
170 
1927 TP4_Vatea Triode, va... Europe 4-P...
171 
1926 TR6E TRIODE (De... Europe 4-P... SER, AB Sv...
172 
1924 PV2_Ediswan Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
173 
1923 PA1_Mullard Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
174 
1923 PA2_Mullard Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
175 
1922 VE Space Char... Europe 4-P... Heussen, M... Heussen, M...
176 
1928 VH40 Triode, va... Europe 4-P... Splendor L... Splendor L...
177 
1926 VIRAA Triode, va... Europe 4-P... Vereenigde... Vereenigde...
178 
1926 VIRAB UNKNOWN Europe 4-P... Vereenigde...
179 
1926 VIRAC Triode, va... Europe 4-P... Vereenigde... Vereenigde...
180 
1926 VIRAD Triode, va... Europe 4-P... Vereenigde...
181 
1917 R_Moorhead Triode, va... Europe 4-P... Moorhead L...
182 
1925 W1_Cossor Triode, va... Europe 4-P... Cossor, A....
183 
1925 W3_Cossor Triode, va... Europe 4-P... Cossor, A....
184 
1925 WR1 Triode, va... Europe 4-P... Cossor, A....
185 
1925 WR2 Triode, va... Europe 4-P... Cossor, A....
186 
1927 II TRIODE (De... Europe 4-P... Nowak & Co...
187 
1927 IIa Triode, va... Europe 4-P... Nowak & Co...
188 
1927 III Triode, va... Europe 4-P... Nowak & Co...
189 
1927 IIIa Triode, va... Europe 4-P... Nowak & Co...
190 
1924 209_Marine Triode, va... Europe 4-P... Grammont (...
191 
1926 210HL_Cossor Triode, va... Europe 4-P... Cossor, A....
192 
1926 525B TRIODE (De... Europe 4-P... Radions Lt...
193 
1919 B_Moorhead-Europe Gas Triode Europe 4-P... Moorhead L...
194 
1923 ARDE_HF Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
195 
1923 ARDE_LF Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
196 
1928 B507 Full-Wave ... Europe 4-P... Lutèce-Lum...
197 
1928 B515 Full-Wave ... Europe 4-P... Lutèce-Lum...
198 
1924 DE5_Marconi Triode, va... Europe 4-P... MO Valve C... Marconi-Os...
199 
1925 HL565 Triode, va... Europe 4-P... Burndept L... Burndept L...
200 
1928 H0.8 Triode, va... Europe 4-P... Marconi-Os...
201 
1928 HL0.8 Triode, va... Europe 4-P... Marconi-Os...
202 
1924 GF Triode, va... Europe 4-P... Métal; Fra...
203 
1927 L25 Triode, va... Europe 4-P... Kremenezky...
204 
1983 R_Replica Triode, va... Europe 4-P... Nachbau un...
205 
1989 TM_Replica Triode, va... Europe 4-P...
206 
1927 TP3_Vita Triode, va... Europe 4-P... Vita; Buda...
207 
1990 RE89_Replica Triode, va... Europe 4-P... Homebrew -...
208 
1985 RE71_Replica Triode, va... Europe 4-P...
209 
1930 PM256A Triode, va... Europe 4-P... Mullard Ra...
210 
1924 DV2_Italy Transmitti... Europe 4-P... Common typ...
211 
1917 Gorizia Gas Triode Europe 4-P... Longoni, G... Majorana, ...
212 
1923 Radio-Secteur Triode, va... Europe 4-P... Métal; Fra...
213 
1970 B_CRT CRT (catho... Europe 4-P... Ediswan, S... Ediswan, S...
214 
1929 A_CRT CRT (catho... Europe 4-P... Ediswan, S... Ediswan, S...
215 
1935 CW10_MOV CW-magnetron Europe 4-P... MO Valve C... MO Valve C...
216 
1928 1560 Full-Wave ... Europe 4-P... NL Philips; E...
217 
1926 Dex406 Triode, va... Europe 4-P... Economic E...
218 
1926 Dex412 Triode, va... Europe 4-P... Economic E...
219 
1926 Dex440 Triode, va... Europe 4-P... Economic E...
220 
1926 Dex530 Triode, va... Europe 4-P... Economic E...
221 
1924 DFA1 Triode, va... Europe 4-P... Mullard Ra...
222 
1924 DF_ORA Triode, va... Europe 4-P... Mullard Ra...
223 
1924 DG_Mullard Space Char... Europe 4-P... Mullard Ra...
224 
1919 E_Moorhead Triode, va... Europe 4-P... Moorhead L...
225 
1923 E_SFR Triode, va... Europe 4-P... SFR (S.F.R...
226 
1923 E52 Transmitti... Europe 4-P... La Radiote...
227 
1921 ES2_Ediswan Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
228 
1921 ES4 Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
229 
1919 F_Moorhead Gas Triode Europe 4-P... Moorhead L...
230 
1922 F_Philips Triode, va... Europe 4-P... Philips; E... Philips; E...
231 
1925 FE2_Louden Triode, va... Europe 4-P...
232 
1925 FE3_MO Space Char... Europe 4-P... Marconi-Os...
233 
1925 FER1_4Volt Triode, va... Europe 4-P... Louden Val...
234 
1925 FER2_4Volt Triode, va... Europe 4-P... Louden Val...
235 
1919 G_Moorhead Triode, va... Europe 4-P... Moorhead L... Moorhead L...
236 
1928 G650_Splendor Full-Wave ... Europe 4-P... Splendor L... Splendor L...
237 
1926 GP Triode, va... Europe 4-P... Radions Lt... Radions Lt...
238 
1926 H406_Neutron Triode, va... Europe 4-P... Neutron Lt...
239 
1928 H430 Triode, va... Europe 4-P... Lutèce-Lum...
240 
1924 HE4 Triode, va... Europe 4-P...
241 
1924 HE6 Triode, va... Europe 4-P...
242 
1925 HL512 Triode, va... Europe 4-P... Burndept L...
243 
1924 K1_Thorpe Triode, va... Europe 4-P... Thorpe Rad... Thorpe Rad...
244 
1927 KH1_MO Triode, va... Europe 4-P... Marconi-Os...
245 
1923 LF_double_green_D3 Triode, va... Europe 4-P... Mullard Ra...
246 
1924 LF_green Triode, va... Europe 4-P... Mullard Ra...
247 
1925 LS1_MO Triode, va... Europe 4-P... MO Valve C...
248 
1925 LS2_MO Triode, va... Europe 4-P... Mullard Ra...
249 
1923 LS3_MO Triode, va... Europe 4-P... Marconi-Os...
250 
1926 LSS_Triotron Triode, va... Europe 4-P... Triotron (... Triotron (...
251 
1921 I-T-E-V Triode, va... Europe 4-P...
252 
1927 M_Ediswan UNKNOWN Europe 4-P... Ediswan, S...
253 
1920 K_Mul Triode, va... Europe 4-P... Mullard Ra... Mullard Ra...
254 
1923 RA_Mullard Triode, va... Europe 4-P... Mullard Ra...
255 
1922 ORA Triode, va... Europe 4-P... Mullard Ra...
256 
1922 ORA-A Triode, va... Europe 4-P... Mullard Ra...
257 
1924 ONE-VOLT-ORA Triode, va... Europe 4-P... Mullard Ra...
258 
1928 P403 Triode, va... Europe 4-P... Lutèce-Lum...
259 
1928 P405 Triode, va... Europe 4-P... Lutèce-Lum...
260 
1928 Ph515A Triode, va... Europe 4-P... Lutèce-Lum...
261 
1928 Ph515B Triode, va... Europe 4-P... Lutèce-Lum...
262 
1919 PR1 Triode, va... Europe 4-P... Tversk Sta... Tversk Sta...
263 
1921 Q_Philips Space Char... Europe 4-P... Philips; E... Philips; E...
264 
1922 R_Marconi Triode, va... Europe 4-P... MO Valve C...
265 
1924 R_Penton Triode, va... Europe 4-P...
266 
1918 R2A Gas Triode Europe 4-P... Osram-Valv...
267 
1923 R3_RT Triode, va... Europe 4-P... La Radiote...
268 
1922 R4B_BTH Triode, va... Europe 4-P... BTH (B.T.H...
269 
1919 R4C Triode, va... Europe 4-P... GEC, Gener...
270 
1925 R5V Triode, va... Europe 4-P... MO Valve C...
271 
1925 SP18/RR Triode, va... Europe 4-P... Metropolit...
272 
1925 SP55/B Triode, va... Europe 4-P... Metropolit... Metropolit...
273 
1926 SP55/R Triode, va... Europe 4-P... Metropolit... Metropolit...
274 
1927 ST21 Triode, va... Europe 4-P... Scott - Ta...
275 
1927 ST22 Triode, va... Europe 4-P... Scott - Ta...
276 
1927 ST23 Triode, va... Europe 4-P... Scott - Ta...
277 
1927 ST41 Triode, va... Europe 4-P... Scott - Ta...
278 
1927 ST42 Triode, va... Europe 4-P... Scott - Ta...
279 
1927 ST43 Triode, va... Europe 4-P... Scott - Ta...
280 
1927 ST61A Triode, va... Europe 4-P... Scott - Ta...
281 
1925 LA101 Triode, va... Europe 4-P... CDN Loewe-(Opt...
282 
1927 RE354 Triode, va... Europe 4-P... CDN Telefunken...
283 
1930 G460 Full-Wave ... Europe 4-P... CDN Valvo Radi...
284 
1925 VT107_TKD Triode, va... Europe 4-P... ROK TeKaDe (TK...
285 
1927 R22 Full-Wave ... Europe 4-P... CDN Rectron Gm... Rectron Gm...
286 
1927 B424 Triode, va... Europe 4-P... NL Philips; E...
287 
1926 RE144 Triode, va... Europe 4-P... CDN Telefunken...
288 
1924 RE79 Triode, va... Europe 4-P... CDN Telefunken...
289 
1926 H406 Triode, va... Europe 4-P... CDN Valvo Radi...
290 
1929 EG200 High-vacuu... Europe 4-P... CDN Seibt, Dr....
291 
1927 RE124 Triode, va... Europe 4-P... CDN Telefunken...
292 
1927 B405 Triode, va... Europe 4-P... NL Philips; E...
293 
1932 GL4/1D Full-Wave ... Europe 4-P... Sator (bra...
294 
1930 U10 Full-Wave ... Europe 4-P... A MO Valve C...
295 
1952 R120 Full-Wave ... Europe 4-P... Rectron Gm...
296 
1921 LT1 Triode, va... Europe 4-P... GB MO Valve C...
297 
1923 D-VI Space Char... Europe 4-P... NL Philips; E... Philips; E...
298 
1924 6/100 Triode, va... Europe 4-P... Métal; Fra... Métal; Fra...
299 
1925 SP18/G Triode, va... Europe 4-P... Metropolit...
300 
1925 SP18/R Triode, va... Europe 4-P... Metropolit... Metropolit...
301 
1925 B415_Gruenberger Triode, va... Europe 4-P... Grünberger...
302 
1925 VT105_TKD Triode, va... Europe 4-P... TeKaDe (TK...
303 
1928 KL1_MO Triode, va... Europe 4-P... Marconi-Os...
304 
1922 WR21 Triode, va... Europe 4-P... Westinghou... Westinghou...
305 
1928 R250_Rectron Full-Wave ... Europe 4-P... Rectron Gm...
306 
1927 VT128_TKD Triode, va... Europe 4-P... TeKaDe (TK...
307 
1927 B9_Kremenezky Space Char... Europe 4-P... Kremenezky...
308 
1929 P220_Lissen Triode, va... Europe 4-P... Lissen Ltd...
309 
1924 VO Space Char... Europe 4-P... Grammont (... Grammont (...
310 
1924 R29 Triode, va... Europe 4-P... Dario (tub...
311 
1927 R636 Triode, va... Europe 4-P... Dario (tub...
312 
1927 R655 Triode, va... Europe 4-P... Dario (tub...
313 
1927 R656 Triode, va... Europe 4-P... Dario (tub...
314 
1928 DEL610 Triode, va... Europe 4-P... Marconi-Os...
315 
1928 DEP240 Triode, va... Europe 4-P... Marconi-Os...
316 
1928 DEP610 Triode, va... Europe 4-P... Marconi-Os...
317 
1926 A_Nelson Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
318 
1925 A45 Triode, va... Europe 4-P... Metropolit...
319 
1923 ARDE Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
320 
1922 AR_HF Triode, va... Europe 4-P... Ediswan, S... Ediswan, S...
321 
1922 AT25 Transmitti... Europe 4-P... Marconi-Os...
322 
1922 AT40 Transmitti... Europe 4-P... Marconi-Os...
323 
1918 B_BTH Triode, va... Europe 4-P... BTH (B.T.H...
324 
1922 B-I TRIODE (De... Europe 4-P... Philips; E...
325 
1922 B-II Triode, va... Europe 4-P... Philips; E... Philips; E...
326 
1922 B-III TRIODE (De... Europe 4-P... Philips; E...
327 
1923 B2_BTH Triode, va... Europe 4-P... BTH (B.T.H...
328 
1923 B4H Triode, va... Europe 4-P... BTH (B.T.H...
329 
1923 B5H Triode, va... Europe 4-P... BTH (B.T.H...
330 
1924 B8 Triode, va... Europe 4-P... BTH (B.T.H...
331 
1924 C3_Microlux Triode, va... Europe 4-P... Microlux, ...
332 
1925 CL172 Triode, va... Europe 4-P... Métal; Fra...
333 
1926 DE06_Radion Triode, va... Europe 4-P... Radions Lt... Radions Lt...
334 
1926 DE06_Nelson Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
335 
1926 DE06HF Triode, va... Europe 4-P... Radions Lt...
336 
1926 DE2_Nelson Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
337 
1925 DE3B Triode, va... Europe 4-P... MO Valve C...
338 
1924 DE11 Triode, va... Europe 4-P... Metropolit...
339 
1926 DE34HF Triode, va... Europe 4-P... Radions Lt... Radions Lt...
340 
1926 DEA Triode, va... Europe 4-P... Nelson Ele... Nelson Ele...
341 
1926 Dex235 Triode, va... Europe 4-P... Economic E...
342 
1926 Dex240 Triode, va... Europe 4-P... Economic E...
343 
1926 Dex312 Triode, va... Europe 4-P... Economic E...
344 
1926 Dex376 Triode, va... Europe 4-P... Economic E...
345 
1926 RE504 Triode, va... Europe 4-P... CDN Telefunken...
346 
1929 RO4206 Triode, va... Europe 4-P... CH Visseaux /...
347 
1928 RO4305 Triode, va... Europe 4-P... CH Visseaux /...
348 
1928 RO4309 Triode, va... Europe 4-P... CH Visseaux /...
349 
1937 RS276 Transmitti... Europe 4-P... CDN Telefunken...
350 
1927 T106 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
351 
1925 Telotron Triode, va... Europe 4-P... CDN Radioröhre...
352 
1927 TP3 Triode, va... Europe 4-P... GB VATEA; Bud...
353 
1928 UL209E Triode, va... Europe 4-P... D Radioröhre...
354 
1928 UL412E Triode, va... Europe 4-P... D Radioröhre...
355 
1928 UL423A Triode, va... Europe 4-P... D Radioröhre...
356 
1928 UL430L Triode, va... Europe 4-P... D Radioröhre...
357 
1924 U110 Gas Triode Europe 4-P... D Radioröhre... Radioröhre...
358 
1925 UL550 Gas Triode Europe 4-P... D Radioröhre... Radioröhre...
359 
1928 LS6A Triode, va... Europe 4-P... MO Valve C...
360 
1928 S610 Screen-gri... Europe 4-P... MO Valve C...
361 
1927 ZM144 Double Tri... Europe 4-P... NL Radio-Reco... Radio-Reco...
362 
1928 EW120 Current Re... Europe 4-P... CDN Common typ...
363 
1929 EW121 Current Re... Europe 4-P... CDN Siemens; D...
364 
1929 1W50 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
365 
1927 VT129_TKD TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
366 
1926 RE073d Space Char... Europe 4-P... CDN Telefunken...
367 
1928 2NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
368 
1928 REN501 Triode, va... Europe 4-P... CDN Telefunken...
369 
1928 LK460 Triode, va... Europe 4-P... CDN Valvo Radi...
370 
1927 R220 Full-Wave ... Europe 4-P... CDN Rectron Gm...
371 
1927 R44 Full-Wave ... Europe 4-P... CDN Rectron Gm...
372 
1929 VG250 Full-Wave ... Europe 4-P... CDN Seibt, Dr....
373 
1927 RGN1504 Full-Wave ... Europe 4-P... CDN Telefunken...
374 
1928 RES164d Vacuum Pen... Europe 4-P... D Telefunken...
375 
1928 REN601 Triode, va... Europe 4-P... CDN Telefunken...
376 
1924 RE75 TRIODE (De... Europe 4-P... CDN Telefunken...
377 
1929 4NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
378 
1930 LK4110 Triode, va... Europe 4-P... CDN Valvo Radi...
379 
1928 1562 Half-Wave ... Europe 4-P... NL Philips; E...
380 
1926 RE152 Triode, va... Europe 4-P... CDN Telefunken...
381 
1926 RE074 Triode, va... Europe 4-P... CDN Telefunken...
382 
1926 RE064 TRIODE (De... Europe 4-P... D Telefunken...
383 
1928 RGN1304 Half-Wave ... Europe 4-P... D Telefunken...
384 
1925 A209 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
385 
1928 A414K Triode, va... Europe 4-P... NL Philips; E...
386 
1927 A415 Triode, va... Europe 4-P... NL Philips; E...
387 
1926 A425 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
388 
1925 A441 Space Char... Europe 4-P... NL Philips; E...
389 
1931 B217 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
390 
1932 B255 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
391 
1925 B409 Triode, va... Europe 4-P... NL Philips; E...
392 
1927 B438 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
393 
1924 RE71 Triode, va... Europe 4-P... CDN Telefunken...
394 
1928 U409D Space Char... Europe 4-P... CDN Valvo Radi...
395 
1927 VT111_TKD TRIODE (De... Europe 4-P... ROK TeKaDe (TK...
396 
1928 L415D Vacuum Pen... Europe 4-P... CDN Valvo Radi...
397 
1923 AR23 TRIODE (De... Europe 4-P... CDN Loewe-(Opt...
398 
1929 4G15 Half-Wave ... Europe 4-P... CDN TeKaDe (TK...
399 
1939 AZ50 Full-Wave ... Europe 4-P... NL Philips; E...
400 
1928 R56 Triode, va... Europe 4-P... CH La Radiote...
401 
1927 DM300_old Space Char... Europe 4-P... NL Radio-Reco... Radio-Reco...
402 
1916 R_England Triode, va... Europe 4-P... GB Common typ... BTH (B.T.H...
403 
1926 B203 Triode, va... Europe 4-P... NL Philips; E...
404 
1928 HL210 Triode, va... Europe 4-P... CH Common typ...
405 
1928 RE604 Triode, va... Europe 4-P... CDN Telefunken...
406 
1929 8NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
407 
1930 G430 Full-Wave ... Europe 4-P... CDN Valvo Radi...
408 
1927 L415 Triode, va... Europe 4-P... TW Valvo Radi...
409 
1924 RE96 Triode, va... Europe 4-P... CDN Telefunken...
410 
1925 Reflex Triode, va... Europe 4-P... CDN Radioröhre...
411 
1928 REN511 Triode, va... Europe 4-P... CDN Telefunken...
412 
1928 RO4010 Triode, va... Europe 4-P... CH Visseaux /...
413 
1928 RO4109 Triode, va... Europe 4-P... CH Visseaux /...
414 
1929 RO4125 Triode, va... Europe 4-P... CH Visseaux /...
415 
1928 RO4215 Triode, va... Europe 4-P... CH Visseaux /...
416 
1926 RS2 TRIODE (De... Europe 4-P... D Triotron (...
417 
1926 RS4_Triotron Triode, va... Europe 4-P... D Triotron (...
418 
1928 UL208A TRIODE (De... Europe 4-P... D Radioröhre...
419 
1928 UL407W TRIODE (De... Europe 4-P... D Radioröhre...
420 
1928 UL408H TRIODE (De... Europe 4-P... D Radioröhre...
421 
1928 UL410A TRIODE (De... Europe 4-P... D Radioröhre...
422 
1925 VT110_TKD Triode, va... Europe 4-P... CDN TeKaDe (TK...
423 
1927 VT121_TKD Triode, va... Europe 4-P... ROK TeKaDe (TK...
424 
1928 W125 Triode, va... Europe 4-P... CDN Valvo Radi...
425 
1927 W206 TRIODE (De... Europe 4-P... CDN Valvo Radi...
426 
1927 W412 TRIODE (De... Europe 4-P... D Triotron (...
427 
1926 WE4 Triode, va... Europe 4-P... D Triotron (...
428 
1927 2LO Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
429 
1928 2L20 Triode, va... Europe 4-P... CDN TeKaDe (TK...
430 
1929 4K30 Triode, va... Europe 4-P... CDN TeKaDe (TK...
431 
1930 4K32 Triode, va... Europe 4-P... CDN TeKaDe (TK...
432 
1929 4K50 Triode, va... Europe 4-P... CDN TeKaDe (TK...
433 
1929 4L11 Triode, va... Europe 4-P... CDN TeKaDe (TK...
434 
1929 4L13 Triode, va... Europe 4-P... CDN TeKaDe (TK...
435 
1929 4L14 Triode, va... Europe 4-P... CDN TeKaDe (TK...
436 
1928 4L15 Triode, va... Europe 4-P... CDN TeKaDe (TK...
437 
1929 4L29 Triode, va... Europe 4-P... CDN TeKaDe (TK...
438 
1925 B105 Triode, va... Europe 4-P... NL Philips; E...
439 
1926 B205 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
440 
1925 B404 Triode, va... Europe 4-P... NL Philips; E...
441 
1930 C405 Triode, va... Europe 4-P... NL Philips; E...
442 
1930 C408 Electromet... Europe 4-P... NL Philips; E...
443 
1925 D105 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
444 
1927 D404 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
445 
1928 DEP215 Triode, va... Europe 4-P... A Marconi-Os...
446 
1927 DV27/4 Triode, va... Europe 4-P... Spanner Gm...
447 
1927 DV52/2 Triode, va... Europe 4-P... Spanner Gm...
448 
1927 DV52/4 Triode, va... Europe 4-P... Spanner Gm...
449 
1928 E406 Triode, va... Europe 4-P... NL Philips; E...
450 
1928 E406N Triode, va... Europe 4-P... NL Philips; E...
451 
1928 E408 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
452 
1928 E408N Triode, va... Europe 4-P... NL Philips; E... Philips; E...
453 
1930 E414 Triode, va... Europe 4-P... D Triotron (...
454 
1928 E422 Triode, va... Europe 4-P... D Triotron (...
455 
1932 F410 Triode, va... Europe 4-P... NL Philips; E...
456 
1926 F704 Triode, va... Europe 4-P... NL Philips; E...
457 
1928 L160 Triode, va... Europe 4-P... CDN Valvo Radi...
458 
1927 L215 Triode, va... Europe 4-P... CDN Valvo Radi...
459 
1928 L4180 Triode, va... Europe 4-P... CDN Valvo Radi...
460 
1929 LK430 Triode, va... Europe 4-P... CDN Valvo Radi...
461 
1928 LK4100 Triode, va... Europe 4-P... CDN Valvo Radi...
462 
1932 LK7115 Triode, va... Europe 4-P... CDN Valvo Radi...
463 
1927 M72 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
464 
1927 M104 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
465 
1928 P625 Triode, va... Europe 4-P... A MO Valve C... MO Valve C...
466 
1928 P625A Triode, va... Europe 4-P... CH Common typ...
467 
1937 PX5 Triode, va... Europe 4-P... A Common typ...
468 
1924 R31 Triode, va... Europe 4-P... CH La Radiote...
469 
1928 R77 Triode, va... Europe 4-P... CH Dario (tub...
470 
1926 R85 Triode, va... Europe 4-P... CH Dario (tub...
471 
1928 RE122 Triode, va... Europe 4-P... CDN Telefunken...
472 
1927 RE352 Triode, va... Europe 4-P... CDN Telefunken...
473 
1926 RE072d Space Char... Europe 4-P... CDN Telefunken...
474 
1925 RE212 Space Char... Europe 4-P... CDN Telefunken...
475 
1929 RH4041 Space Char... Europe 4-P... CH Visseaux /...
476 
1929 RO4142 Screen-gri... Europe 4-P... CH Visseaux /...
477 
1928 S215 Screen-gri... Europe 4-P... A MO Valve C...
478 
1928 S410 Screen-gri... Europe 4-P... TW MO Valve C...
479 
1927 U208D Space Char... Europe 4-P... CDN Valvo Radi...
480 
1927 U408D Space Char... Europe 4-P... CDN Valvo Radi...
481 
1929 1L60 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
482 
1929 1N51 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
483 
1928 2U15 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
484 
1929 4H08 Triode, va... Europe 4-P... CDN TeKaDe (TK...
485 
1928 4N08 Triode, va... Europe 4-P... CDN TeKaDe (TK...
486 
1928 4W08 TRIODE (De... Europe 4-P... CDN TeKaDe (TK...
487 
1934 AX1 Half-Wave ... Europe 4-P... NL Philips; E...
488 
1930 LK4200 Triode, va... Europe 4-P... CDN Valvo Radi...
489 
1926 A408 Triode, va... Europe 4-P... CDN Valvo Radi...
490 
1928 H406D Screen-gri... Europe 4-P... CDN Valvo Radi...
491 
1927 C142 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
492 
1939 AX50 Full-Wave ... Europe 4-P... NL Philips; E...
493 
1929 G715 Half-Wave ... Europe 4-P... CDN Valvo Radi...
494 
1929 14NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
495 
1931 RGN4004 Full-Wave ... Europe 4-P... CDN Telefunken...
496 
1928 RE074d Space Char... Europe 4-P... CDN Telefunken...
497 
1927 F215 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
498 
1927 D143 Vacuum Pen... Europe 4-P... NL Philips; E... Philips; E...
499 
1926 451 Full-Wave ... Europe 4-P... NL Philips; E...
500 
1926 A10 Triode, va... Europe 4-P... D Kremenezky...
501 
1927 A11 Triode, va... Europe 4-P... D Kremenezky...
502 
1925 A109 Triode, va... Europe 4-P... NL Philips; E...
503 
1925 A115 TRIODE (De... Europe 4-P... NL Philips; E...
504 
1925 A206 Triode, va... Europe 4-P... NL Philips; E...
505 
1926 A225 Triode, va... Europe 4-P... NL Philips; E...
506 
1925 C109 Triode, va... Europe 4-P... NL Philips; E...
507 
1928 C135 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
508 
1928 DEH410 Triode, va... Europe 4-P... A Marconi-Os...
509 
1928 DEL210 Triode, va... Europe 4-P... A Marconi-Os...
510 
1928 DEP410 Triode, va... Europe 4-P... A Marconi-Os...
511 
1927 DV26/2 Triode, va... Europe 4-P... Spanner Gm...
512 
1927 DV26/4 TRIODE (De... Europe 4-P... Spanner Gm...
513 
1927 DV27/2 TRIODE (De... Europe 4-P... Spanner Gm...
514 
1927 DV27/2H TRIODE (De... Europe 4-P... Spanner Gm...
515 
1930 E425_Triotron Triode, va... Europe 4-P... NL Triotron (... Triotron (...
516 
1928 H125 Triode, va... Europe 4-P... CDN Valvo Radi...
517 
1927 H206 TRIODE (De... Europe 4-P... CDN Valvo Radi...
518 
1929 H210 Triode, va... Europe 4-P... ZA Common typ...
519 
1929 H407spez TRIODE (De... Europe 4-P... CDN Valvo Radi...
520 
1929 H410 Triode, va... Europe 4-P... A Marconi-Os...
521 
1927 H412 Triode, va... Europe 4-P... D Triotron (...
522 
1929 HL410 Triode, va... Europe 4-P... CH Common typ...
523 
1928 HL610 Triode, va... Europe 4-P... CH Common typ...
524 
1924 LA74 Triode, va... Europe 4-P... CDN Loewe-(Opt...
525 
1924 LE244 Triode, va... Europe 4-P... D Huth, Sign...
526 
1923 LS5 Triode, va... Europe 4-P... A Marconi-Os...
527 
1927 M15 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
528 
1927 M144 Triode, va... Europe 4-P... NL Radio-Reco...
529 
1927 M350 Triode, va... Europe 4-P... NL Radio-Reco...
530 
1927 Mikro TRIODE (De... Europe 4-P... CDN Hova-Röhre...
531 
1924 R15 Triode, va... Europe 4-P... CH La Radiote...
532 
1924 R36 Triode, va... Europe 4-P... CH La Radiote...
533 
1926 R42 Triode, va... Europe 4-P... CH Dario (tub...
534 
1928 R75 Triode, va... Europe 4-P... CH Dario (tub...
535 
1928 R76 TRIODE (De... Europe 4-P... CH Dario (tub...
536 
1925 RE061 Triode, va... Europe 4-P... CDN Telefunken...
537 
1930 REN704d Dual-Grid ... Europe 4-P... CDN Telefunken...
538 
1926 RE134 Triode, va... Europe 4-P... D Telefunken...
539 
1925 SP18 Triode, va... Europe 4-P... Metropolit...
540 
1925 B403 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
541 
1928 1561 Full-Wave ... Europe 4-P... NL Philips; E...
542 
1927 A442 Screen-gri... Europe 4-P... NL Philips; E... Philips; E...
543 
1928 H-Point8 Triode, va... Europe 4-P... Marconi's ...
544 
1927 M300 Triode, va... Europe 4-P... NL Radio-Reco... Radio-Reco...
545 
1928 U9 High-vacuu... Europe 4-P... A Marconi-Os...
546 
1927 RRR245 Full-Wave ... Europe 4-P... NL Radio-Reco...
547 
1930 R0423 Full-Wave ... Europe 4-P... CDN Rectron Gm...
548 
1930 R0424 Half-Wave ... Europe 4-P... CDN Rectron Gm...
549 
1930 R0431 Full-Wave ... Europe 4-P... CDN Rectron Gm...
550 
1930 R0437 Full-Wave ... Europe 4-P... CDN Rectron Gm...
551 
1930 R0446 High-vacuu... Europe 4-P... CDN Rectron Gm...
552 
1930 R0481 Half-Wave ... Europe 4-P... CDN Rectron Gm...
553 
1924 R24 Triode, va... Europe 4-P... NL La Radiote...
554 
1928 R80 Triode, va... Europe 4-P... CDN Dario (tub...
555 
1930 R0337 Full-Wave ... Europe 4-P... CDN Rectron Gm...
556 
1932 R1 Full-Wave ... Europe 4-P... ROK Common typ...
557 
1937 HVR2 Half-Wave ... Europe 4-P... A Mullard Ra...
558 
1927 GT130 Full-Wave ... Europe 4-P... CDN TeKaDe (TK...
559 
1929 G3140 High-vacuu... Europe 4-P... NL Philips; E...
560 
1928 DU2 Full-Wave ... Europe 4-P... A Mullard Ra...
561 
1928 DU10 Half-Wave ... Europe 4-P... A Mullard Ra...
562 
1933 1861 Full-Wave ... Europe 4-P... NL Philips; E...
563 
1933 1867 Full-Wave ... Europe 4-P... NL Philips; E...
564 
1935 1877 Half-Wave ... Europe 4-P... NL Philips; E...
565 
1931 1807 Full-Wave ... Europe 4-P... NL Philips; E...
566 
1933 1832 Half-Wave ... Europe 4-P... NL Philips; E...
567 
1929 240NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
568 
1929 12NG Full-Wave ... Europe 4-P... CDN Loewe-(Opt...
569 
1929 3G130 High-vacuu... Europe 4-P... CDN TeKaDe (TK...
570 
1929 4G30 Full-Wave ... Europe 4-P... CDN TeKaDe (TK...
571 
1929 VG220 Full-Wave ... Europe 4-P... CDN Seibt, Dr....
572 
1927 R202 Half-Wave ... Europe 4-P... NL Radio-Reco... Radio-Reco...
573 
1927 R215 TRIODE (De... Europe 4-P... NL VATEA; Bud...
574 
1930 R4000 Full-Wave ... Europe 4-P... CDN Rectron Gm...
575 
1927 R33 Full-Wave ... Europe 4-P... CDN Rectron Gm...
576 
1930 G2200 Gas Rectif... Europe 4-P... CDN Valvo Radi...
577 
1936 D42 Signal Dio... Europe 4-P... A MO Valve C...
578 
1939 D43 Signal Dio... Europe 4-P... A MO Valve C...
579 
1931 RGN2504 Full-Wave ... Europe 4-P... CDN Telefunken...
580 
1927 RE084 Triode, va... Europe 4-P... CDN Telefunken...
581 
1928 RES094 Screen-gri... Europe 4-P... CDN Telefunken...
582 
1928 RGN1500 Full-Wave ... Europe 4-P... CDN Telefunken... Common typ...
583 
1925 A409 Triode, va... Europe 4-P... CDN Philips; E... Philips; E...
584 
1927 W406 Triode, va... Europe 4-P... NL Valvo Radi...
585 
1927 L410 Triode, va... Europe 4-P... A Valvo Radi...
586 
1929 G490 Full-Wave ... Europe 4-P... CDN Valvo Radi...
587 
1928 RE114 Triode, va... Europe 4-P... CDN Telefunken...
588 
1930 G425 Half-Wave ... Europe 4-P... CDN Valvo Radi...
589 
1931 E43 Vacuum Pen... Europe 4-P... D Kremenezky...
590 
1928 L160D Vacuum Pen... Europe 4-P... CDN Valvo Radi...
591 
1928 PT.8 Vacuum Pen... Europe 4-P... A MO Valve C...
592 
1929 RO4243 Vacuum Pen... Europe 4-P... CH Visseaux /...
593 
1925 A241 Space Char... Europe 4-P... NL Philips; E... Philips; E...
594 
1927 B10 Space Char... Europe 4-P... D Kremenezky...
595 
1927 B11 Space Char... Europe 4-P... D Kremenezky...
596 
1932 B242 Screen-gri... Europe 4-P... NL Philips; E...
597 
1927 DM15 Space Char... Europe 4-P... NL Radio-Reco... Radio-Reco...
598 
1930 E200/300 Screen-gri... Europe 4-P... CH Celsior; F...
599 
1928 H125D Screen-gri... Europe 4-P... CDN Valvo Radi...
600 
1930 H410D Screen-gri... Europe 4-P... CDN Valvo Radi...
601 
1924 B406 Triode, va... Europe 4-P... NL Philips; E...
602 
1930 L510D Vacuum Pen... Europe 4-P... CDN Valvo Radi...
603 
1936 G1404 Half-Wave ... Europe 4-P... CDN Valvo Radi...
604 
1925 RE209 Triode, va... Europe 4-P... CDN Telefunken...
605 
1927 U410 Triode, va... Europe 4-P...
606 
1930 RGN1404 Half-Wave ... Europe 4-P... CDN Telefunken...
607 
1927 B442 Screen-gri... Europe 4-P... NL Philips; E...
608 
1928 A411S Triode, va... Europe 4-P...
609 
1932 1805 Full-Wave ... Europe 4-P... NL Philips; E...
610 
1931 B228 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
611 
1925 RE95 Triode, va... Europe 4-P... CDN Telefunken...
612 
1928 L413 Triode, va... Europe 4-P... CDN Valvo Radi...
613 
1925 A410_Valvo Triode, va... Europe 4-P... D Valvo Radi...
614 
1928 LK8100 Triode, va... Europe 4-P... Valvo Radi...
615 
1931 RES174d Vacuum Pen... Europe 4-P... CDN Telefunken...
616 
1924 RE89 Triode, va... Europe 4-P... CDN Telefunken...
617 
1927 L414 Triode, va... Europe 4-P... TW Valvo Radi...
618 
1927 L418 Triode, va... Europe 4-P... D Nowak & Co...
619 
1929 R1000 Full-Wave ... Europe 4-P... CDN Rectron Gm...
620 
1934 KC1_4pin Triode, va... Europe 4-P... EU Common typ... Telefunken...
621 
1928 RES044 Screen-gri... Europe 4-P... CDN Telefunken...
622 
1930 G2340 Gas Rectif... Europe 4-P... CDN Valvo Radi...
623 
1929 G4200 Full-Wave ... Europe 4-P... CDN Valvo Radi...
624 
1930 L413S Triode, va... Europe 4-P... Valvo Radi...
625 
1928 R250 Full-Wave ... Europe 4-P... CDN Radio-Reco...
626 
1930 W410 Triode, va... Europe 4-P... CDN Valvo Radi...
627 
1926 RE062 Triode, va... Europe 4-P... CDN Telefunken...
628 
1929 10NG Half-Wave ... Europe 4-P... CDN Loewe-(Opt...
629 
1927 1823 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
630 
1928 1904 Current Re... Europe 4-P... NL Philips; E...
631 
1928 2506 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
632 
1927 506 Full-Wave ... Europe 4-P... NL Philips; E... Philips; E...
633 
1927 RE052 Triode, va... Europe 4-P... CDN Telefunken...
634 
1929 1821 Full-Wave ... Europe 4-P... NL Philips; E...
635 
1929 RE304 Triode, va... Europe 4-P... CDN Telefunken...
636 
1924 LA75 Triode, va... Europe 4-P... CDN Loewe-(Opt...
637 
1926 RE054 Triode, va... Europe 4-P... CDN Telefunken...
638 
1926 RE154 Triode, va... Europe 4-P... D Telefunken...
639 
1926 RE034 Triode, va... Europe 4-P... D Telefunken...
640 
1929 RGN1054 Full-Wave ... Europe 4-P... CDN Telefunken...
641 
1927 RGN1503 Full-Wave ... Europe 4-P... D Telefunken...
642 
1931 RGN2005 Full-Wave ... Europe 4-P... CDN Telefunken...
643 
1928 RGN2004 Full-Wave ... Europe 4-P... Telefunken...
644 
1929 RGN504 Full-Wave ... Europe 4-P... CDN Telefunken...
645 
1932 RGN1064 Full-Wave ... Europe 4-P... CDN Telefunken...
646 
1925 A141 Space Char... Europe 4-P... Philips; E... Philips; E...
647 
1927 A15 Triode, va... Europe 4-P... Kremenezky...
648 
1925 A341 Space Char... Europe 4-P... Philips; E... Philips; E...
649 
1927 A435 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
650 
1926 A609 Triode, va... Europe 4-P... Philips; E... Philips; E...
651 
1931 B252 Screen-gri... Europe 4-P... NL Philips; E...
652 
1932 B262 Screen-gri... Europe 4-P... Philips; E... Philips; E...
653 
1925 B415 Triode, va... Europe 4-P... NL Philips; E...
654 
1930 4K60 Triode, va... Europe 4-P... CDN TeKaDe (TK...
655 
1928 A416 Triode, va... Europe 4-P... NL Philips; E... Philips; E...
656 
1927 Mikrotron Full-Wave ... Europe 4-P... Valvo Radi...
657 
1928 U8 Full-Wave ... Europe 4-P... A Osram-Valv...
658 
1927 N406 Triode, va... Europe 4-P... CDN Valvo Radi...
659 
1933 1815 Full-Wave ... Europe 4-P... NL Philips; E...
660 
1928 S-Point8 Screen-gri... Europe 4-P... Marconi-Os...
661 
1928 HL-Point8 Triode, va... Europe 4-P... Marconi's ...
662 
1928 P-Point8 Triode, va... Europe 4-P... Marconi's ...
663 
1927 506K Full-Wave ... Europe 4-P... Philips; E...
664 
1918 VT32_Moorhead Triode, va... Europe 4-P... Moorhead L...
665 
1934 26NG High-vacuu... Europe 6-P... CDN Loewe-(Opt...
666 
1933 RENS1254 Diode-Tetr... Europe 6-P... CDN Telefunken...
667 
1930 E463 Vacuum Pen... Europe 6-P... NL Philips; E...
668 
1933 AN4126 Diode-Tetr... Europe 6-P... CDN Valvo Radi...
669 
1933 AN2127 Diode-Tetr... Europe 6-P... CDN Valvo Radi...
670 
1933 24NG High-vacuu... Europe 6-P... CDN Loewe-(Opt...
671 
1933 E444 Diode-Tetr... Europe 6-P... NL Philips; E...
672 
1933 RENS1834 HEXODE Europe 7-P... CDN Telefunken... Telefunken...
673 
1934 BCH1 Triode-Hex... Europe 7-P... EU Common typ... Telefunken...
674 
1934 KF2 Vacuum Pen... Europe 7-P... ZA Common typ...
675 
1933 E449 HEXODE Europe 7-P... NL Philips; E... Telefunken...
676 
1933 X4122 HEXODE Europe 7-P... CDN Valvo Radi...
677 
1933 RENS1224 HEXODE Europe 7-P... CDN Telefunken... Telefunken...
678 
1933 RENS1234 HEXODE Europe 7-P... CDN Telefunken... Telefunken...
679 
1933 ACH1 Triode-Hex... Europe 7-P... D Common typ... Telefunken...
680 
1933 RENS1824 HEXODE Europe 7-P... CDN Telefunken...
681 
1936 4M2 Triode-Hex... Europe 7-P... CDN Loewe-(Opt...
682 
1938 WE22 Triode-Hex... Europe 7-P... HK Telefunken...
683 
1933 X2818 HEXODE Europe 7-P... CDN Valvo Radi...
684 
1933 X2918 HEXODE Europe 7-P... CDN Valvo Radi...
685 
1933 X4123 HEXODE Europe 7-P... CDN Valvo Radi...
686 
1934 AK1 OCTODE Europe 7-P... D Common typ... Philips; E...
687 
1931 E452 Vacuum Pen... Europe 7-P... NL Philips; E... Philips; E...
688 
1933 MO44 Double Tet... Europe 7-P... CDN Loewe-(Opt...
689 
1935 24M2 Triode-Hex... Europe 7-P... CDN Loewe-(Opt...
690 
1933 E448 HEXODE Europe 7-P... NL Philips; E... Telefunken...
691 
1934 B240 Double Tri... Europe 7-P... NL Philips; E... Philips; E...
692 
1934 BK1 OCTODE Europe 7-P... Telefunken... Philips; E...
693 
1936 9MH Television... Europe 7-P... Ediswan, S...
694 
1936 KF4 Vacuum Pen... Europe sid... EU Common typ...
695 
1934 EK1 OCTODE Europe sid... NL Philips; E... Philips; E...
696 
1936 KDD1 Double Tri... Europe sid... EU Common typ...
697 
1938 CK3 OCTODE Europe sid... EU Common typ... Philips; E...
698 
1938 ECH2 Triode-Hep... Europe sid... NL Philips; E... Philips; E...
699 
1938 4699 Vacuum Pen... Europe sid... NL Philips; E...
700 
1939 CF50 Vacuum Pen... Europe sid... EU Common typ... Philips; E...
701 
1937 EBL1 Double Dio... Europe sid... NL Common typ... Philips; E...
702 
1934 UF2 Vacuum Pen... Europe sid... F Dario (tub... Dario (tub...
703 
1934 UF1 Vacuum Pen... Europe sid... F Dario (tub... Dario (tub...
704 
1938 1882 Full-Wave ... Europe sid... CH Philips; E...
705 
1928 WE55 Full-Wave ... Europe sid... GB Common typ...
706 
1934 ABC1 Double Dio... Europe sid... EU Common typ...
707 
1934 KBC1 Double Dio... Europe sid... EU Common typ...
708 
1935 VL1 Vacuum Pen... Europe sid... EU Common typ... Telefunken...
709 
1934 EF1 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
710 
1935 VC1 Triode, va... Europe sid... EU Common typ... Telefunken...
711 
1934 EZ1 Full-Wave ... Europe sid... EU Common typ... Philips; E...
712 
1934 C2 Current Re... Europe sid... NL Philips; E...
713 
1936 4V1 Triode, va... Europe sid... D Loewe-(Opt...
714 
1936 4673 Vacuum Pen... Europe sid... NL Philips; E...
715 
1935 KK2 OCTODE Europe sid... EU Common typ...
716 
1938 AL5/325 Vacuum Pen... Europe sid... D Telefunken...
717 
1934 C4 Current Re... Europe sid... NL Philips; E... Philips; E...
718 
1935 C6 Current Re... Europe sid... NL Philips; E... Philips; E...
719 
1935 C7 Current Re... Europe sid... NL Philips; E... Philips; E...
720 
1936 C12 Current Re... Europe sid... NL Philips; E... Philips; E...
721 
1939 C13 Ballast Tu... Europe sid... NL Philips; E... Philips; E...
722 
1936 TEF5 Vacuum Pen... Europe sid... Tungsram; ... Philips; E...
723 
1936 TEF6 Vacuum Pen... Europe sid... Tungsram; ... Philips; E...
724 
1936 TEZ2 Full-Wave ... Europe sid... Tungsram; ... Philips; E...
725 
1936 AL4/375 Vacuum Pen... Europe sid... Common typ...
726 
1936 OSW3103 Vacuum Pen... Europe sid... Werk für F...
727 
1935 OSW3118 Full-Wave ... Europe sid... Werk für F...
728 
1935 OSW3119 Vacuum Pen... Europe sid... Werk für F...
729 
1938 EL6/425 Vacuum Pen... Europe sid... Valvo Radi...
730 
1939 EL3/375 Vacuum Pen... Europe sid... Philips; E...
731 
1936 TEBC3 Double Dio... Europe sid... Tungsram; ... Philips; E...
732 
1935 TAF3 Vacuum Pen... Europe sid... Tungsram; ...
733 
1935 TAF7 Vacuum Pen... Europe sid... Tungsram; ...
734 
1935 TAL2 Vacuum Pen... Europe sid... Tungsram; ... Philips; E...
735 
1935 TAH1 HEXODE Europe sid... Tungsram; ...
736 
1935 TABC1 Double Dio... Europe sid... Tungsram; ...
737 
1935 TAL1 Vacuum Pen... Europe sid... Tungsram; ...
738 
1936 TAD1 Triode, va... Europe sid... Tungsram; ...
739 
1936 TAL4 Vacuum Pen... Europe sid... Tungsram; ...
740 
1935 TAZ1 Full-Wave ... Europe sid... Tungsram; ...
741 
1934 TCY2 High-vacuu... Europe sid... Tungsram; ...
742 
1935 TCF7 Vacuum Pen... Europe sid... Tungsram; ...
743 
1934 TCL2 Vacuum Pen... Europe sid... Tungsram; ...
744 
1935 TCH1_Tungsram HEXODE Europe sid... Tungsram; ...
745 
1935 TCC2 Triode, va... Europe sid... Tungsram; ...
746 
1936 TCL4 Vacuum Pen... Europe sid... Tungsram; ...
747 
1936 TKL1_p8 Vacuum Pen... Europe sid... Tungsram; ...
748 
1936 TKC3 Triode, va... Europe sid... Tungsram; ...
749 
1936 TKF3 Vacuum Pen... Europe sid... Tungsram; ...
750 
1936 TKF4 Vacuum Pen... Europe sid... Tungsram; ...
751 
1936 TKDD1 Double Tri... Europe sid... Tungsram; ...
752 
1935 TBC1 Double Dio... Europe sid... Dario (tub...
753 
1936 MEB4 Double Diode Europe sid... Marconi-Os... Philips; E...
754 
1938 CCH1 Triode-Hex... Europe sid... D Telefunken... Telefunken...
755 
1936 EBF1 Double Dio... Europe sid... NL Philips Au... Philips; E...
756 
1935 1876 Half-Wave ... Europe sid... NL Philips; E...
757 
1939 EM2 Mag. Eye, ... Europe sid... D Telefunken... Philips; E...
758 
1938 EM3 Mag. Eye, ... Europe sid... GB Common typ... Mullard Wi...
759 
1935 CC2 Triode, va... Europe sid... EU Common typ...
760 
1934 AF7 Vacuum Pen... Europe sid... EU Common typ...
761 
1934 CL1 Vacuum Pen... Europe sid... EU Common typ... Philips; E...
762 
1934 AH1 HEXODE Europe sid... EU Common typ...
763 
1948 UCH5 Triode-Hep... Europe sid... CDN Valvo Radi...
764 
1939 EM4 Mag. Eye, ... Europe sid... NL Common typ... Philips; E...
765 
1934 CL2 Vacuum Pen... Europe sid... EU Common typ...
766 
1935 CF3 Vacuum Pen... Europe sid... EU Common typ...
767 
1938 EF9 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
768 
1934 CY2 High-vacuu... Europe sid... EU Common typ...
769 
1936 4H3 HEXODE Europe sid... CDN Loewe-(Opt...
770 
1935 13H3 HEXODE Europe sid... CDN Loewe-(Opt...
771 
1938 24M3 Triode-Hex... Europe sid... CDN Loewe-(Opt...
772 
1937 AH100 HEXODE Europe sid... D Telefunken... Telefunken...
773 
1937 CBL1 Double Dio... Europe sid... EU Philips; E... Philips; E...
774 
1936 EL2 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
775 
1935 AL2 Vacuum Pen... Europe sid... NL Philips; E...
776 
1935 13H1 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
777 
1935 13H2 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
778 
1939 VF3 Vacuum Pen... Europe sid... D Telefunken...
779 
1935 30NG High-vacuu... Europe sid... CDN Loewe-(Opt...
780 
1936 140NG Full-Wave ... Europe sid... CDN Loewe-(Opt...
781 
1936 EBC3 Double Dio... Europe sid... NL Philips; E... Philips; E...
782 
1938 CL6 Vacuum Pen... Europe sid... EU Common typ... Philips; E...
783 
1935 KL2 Vacuum Pen... Europe sid... EU Common typ...
784 
1939 4654 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
785 
1938 4688 Vacuum Pen... Europe sid... NL Philips; E...
786 
1937 4689 Vacuum Pen... Europe sid... NL Philips; E...
787 
1939 4694 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
788 
1940 EL50 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
789 
1940 EL51 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
790 
1936 KL1_sidecontact Vacuum Pen... Europe sid... EU Common typ...
791 
1937 RS289spez Transmitti... Europe sid... CDN Telefunken...
792 
1938 EE1 Secondary ... Europe sid... NL Philips; E... Philips; E...
793 
1936 AM1 Mag. Eye, ... Europe sid... NL Common typ... Philips; E...
794 
1939 KL5 Vacuum Pen... Europe sid... EU Common typ...
795 
1938 EK3 OCTODE Europe sid... NL Philips; E... Philips; E...
796 
1936 EF5 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
797 
1936 KL4 Vacuum Pen... Europe sid... EU Common typ...
798 
1936 AZ2 Full-Wave ... Europe sid... NL Philips It...
799 
1939 KCH1 Triode-Hex... Europe sid... EU Common typ... Telefunken...
800 
1938 EBF2 Double Dio... Europe sid... EU Common typ...
801 
1938 AZ4 Full-Wave ... Europe sid... NL Philips; E...
802 
1936 EB4 Double Diode Europe sid... NL Philips; E... Philips; E...
803 
1935 13V1 Double Dio... Europe sid... CDN Loewe-(Opt...
804 
1935 EC2 Triode, va... Europe sid... EU Common typ...
805 
1936 KC1_p8 Triode, va... Europe sid... EU Common typ...
806 
1937 4683 Triode, va... Europe sid... NL Philips; E...
807 
1938 AD1/350 Triode, va... Europe sid... D Telefunken...
808 
1939 EC50 Thyratron Europe sid... NL Common typ... Philips; E...
809 
1937 C10 Current Re... Europe sid... EU Philips; E... Philips; E...
810 
1938 EF8 HEXODE Europe sid... NL Philips; E... Philips; E...
811 
1938 EFM1 Mag.Eye-Pe... Europe sid... NL Philips; E... Philips; E...
812 
1936 EZ3 Full-Wave ... Europe sid... NL Philips; E... Philips; E...
813 
1934 AF3 Vacuum Pen... Europe sid... EU Common typ...
814 
1934 CK1 OCTODE Europe sid... EU Common typ... Philips; E...
815 
1934 C1 Current Re... Europe sid... NL Philips; E...
816 
1936 4H2 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
817 
1940 ECF1 Triode-Pen... Europe sid... NL Common typ... Philips; E...
818 
1938 AL5/375 Vacuum Pen... Europe sid... NL Philips; E...
819 
1937 C/EM2 Mag. Eye, ... Europe sid... D Telefunken... Telefunken...
820 
1935 KF7 Vacuum Pen... Europe sid... EU Common typ...
821 
1935 KF8 Vacuum Pen... Europe sid... EU Common typ...
822 
1935 EH1 HEXODE Europe sid... EU Common typ... Philips; E...
823 
1936 EK2 OCTODE Europe sid... NL Philips; E... Philips; E...
824 
1936 EZ2 Full-Wave ... Europe sid... NL Philips; E... Philips; E...
825 
1938 KH1 HEXODE Europe sid... EU Common typ... Philips; E...
826 
1950 EM5 Mag. Eye, ... Europe sid... Telefunken... Telefunken...
827 
1934 CF2 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
828 
1934 CF1 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
829 
1936 EF6 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
830 
1935 WG41 HEXODE Europe sid... CDN Loewe-(Opt... Loewe-(Opt...
831 
1935 AD1 Triode, va... Europe sid... EU Common typ...
832 
1937 VF7 Vacuum Pen... Europe sid... D Telefunken... Telefunken...
833 
1939 CBL6 Double Dio... Europe sid... NL Philips; E... Philips; E...
834 
1935 VY1 Half-Wave ... Europe sid... EU Common typ... Telefunken...
835 
1936 EBC1 Double Dio... Europe sid... EU Common typ... Telefunken...
836 
1948 UL2_Valvo Beam Power... Europe sid... EU Valvo Radi... Valvo Radi...
837 
1948 UBL3 Double Dio... Europe sid... CDN Valvo Radi...
838 
1936 KF3 Vacuum Pen... Europe sid... EU Common typ...
839 
1935 CF7 Vacuum Pen... Europe sid... EU Common typ...
840 
1937 AM2 Mag. Eye, ... Europe sid... D Common typ... Telefunken...
841 
1935 CH1 HEXODE Europe sid... EU Common typ...
842 
1938 VL4 Beam Power... Europe sid... EU Common typ... Telefunken...
843 
1935 CBC1 Double Dio... Europe sid... EU Common typ...
844 
1934 C3 Current Re... Europe sid... EU Philips; E...
845 
1936 C8 Current Re... Europe sid... EU Philips; E... Philips; E...
846 
1936 C9 Current Re... Europe sid... NL Common typ... Philips; E...
847 
1934 EF2 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
848 
1936 EF7 Vacuum Pen... Europe sid... EU Common typ... Telefunken...
849 
1936 EZ4 Full-Wave ... Europe sid... NL Philips; E... Philips; E...
850 
1938 1883 Full-Wave ... Europe sid... CH Philips; E...
851 
1936 4H1 Vacuum Pen... Europe sid... CDN Loewe-(Opt...
852 
1949 UY4 Half-Wave ... Europe sid... Valvo Radi... Valvo Radi...
853 
1938 EAB1 Triple Diode Europe sid... NL Philips; E... Philips; E...
854 
1940 ECH4 Triode-Hep... Europe sid... NL Philips; E... Philips; E...
855 
1934 FZ1 Full-Wave ... Europe sid... EU Common typ... Philips; E...
856 
1934 AC2 Triode, va... Europe sid... EU Common typ...
857 
1936 CL4 Vacuum Pen... Europe sid... EU Common typ...
858 
1935 AK2 OCTODE Europe sid... EU Common typ...
859 
1949 UF5 Vacuum Pen... Europe sid... Valvo Radi...
860 
1935 AZ1 Full-Wave ... Europe sid... EU Common typ...
861 
1937 EH2 HEPTODE Europe sid... NL Philips; E... Philips; E...
862 
1936 EF3 Vacuum Pen... Europe sid... EU Common typ... Telefunken...
863 
1935 AL1 Vacuum Pen... Europe sid... EU Common typ...
864 
1936 AL4 Vacuum Pen... Europe sid... EU Common typ...
865 
1935 AL3 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
866 
1936 EL3 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
867 
1939 EL3N Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
868 
1939 KC4 Triode, va... Europe sid... EU Common typ... Philips; E...
869 
1937 ABL1 Double Dio... Europe sid... NL Philips; E...
870 
1934 EL1 Vacuum Pen... Europe sid... NL Common typ... Philips; E...
871 
1938 ELL1 Double Pen... Europe sid... NL Common typ... Philips; E...
872 
1949 EL8 Beam Power... Europe sid... Valvo Radi... Valvo Radi...
873 
1936 AL5 Vacuum Pen... Europe sid... D Common typ...
874 
1936 EL5 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
875 
1938 EL6 Vacuum Pen... Europe sid... NL Philips; E... Philips; E...
876 
1936 EM1 Mag. Eye, ... Europe sid... NL Common typ... Philips; E...
877 
1948 UF6 Vacuum Pen... Europe sid... Valvo Radi...
878 
1934 CY1 Half-Wave ... Europe sid... EU Common typ...
879 
1948 UY3 Half-Wave ... Europe sid... CDN Valvo Radi...
880 
1936 KC3 Triode, va... Europe sid... EU Common typ...
881 
1939 ECH3 Triode-Hex... Europe sid... NL Common typ... Philips; E...
882 
1936 AZ3 Full-Wave ... Europe sid... NL Philips Au...
883 
1935 1875 Half-Wave ... Europe sid... NL Philips; E...
884 
1949 UY2 Half-Wave ... Europe sid... Telefunken... Telefunken...
885 
1934 AB2 Double Diode Europe sid... EU Common typ...
886 
1934 CB1 Double Diode Europe sid... EU Common typ... Philips; E...
887 
1935 KB1 Double Diode Europe sid... EU Common typ...
888 
1936 EB2 Double Diode Europe sid... EU Common typ...
889 
1935 13D1 Double Diode Europe sid... CDN Loewe-(Opt...
890 
1935 13D2 Double Diode Europe sid... CDN Loewe-(Opt...
891 
1937 4D1_Loewe Double Diode Europe sid... CDN Loewe-(Opt...
892 
1938 4V2 SINGLE-DIO... Europe sid... D Loewe-(Opt...
893 
1934 EB1 Double Diode Europe sid... NL Philips; E...
894 
1936 KB2 Double Diode Europe sid... EU Common typ...
895 
1935 CB2 Double Diode Europe sid... EU Common typ...
896 
1938 VY2 Half-Wave ... Europe sid... EU Common typ... Telefunken...
897 
1935 TAB2 Double Diode Europe sid... Tungsram; ...
898 
1935 TCB2 Double Diode Europe sid... Tungsram; ...
899 
1916 ER_Moorhead Gas Triode UV-Base (4... Moorhead L... Moorhead L...
900 
1919 A_Moorhead-spherical Triode, va... UV-Base (4... Moorhead L... Moorhead L...
901 
1920 UV200 Gas Triode UV-Base (4... General El... General El...
902 
1920 UV201 Triode, va... UV-Base (4... General El... General El...
903 
1922 UV201A Triode, va... UV-Base (4... General El... General El...
904 
1924 RE88 Triode, va... UV-Base (4... CDN Telefunken...
905 
1925 RE205 Triode, va... UV-Base (4... CDN Telefunken... Telefunken...
906 
1918 VT-2 Transmitti... UV-Base (4... MEX Common typ... Western El...
907 
1923 WD12 Triode, va... UV-Base (4... ROK RCA (RCA V... Westinghou...
908 
1922 216A Triode, va... UV-Base (4... Western El... Western El...
909 
1923 DV2 Triode, va... UV-Base (4... DeForest-T... General El...
910 
1924 205D Triode, va... UV-Base (4... Western El... Western El...
911 
1925 DV5 Triode, va... UV-Base (4... DeForest-T... DeForest-T...
912 
1920 C-302 LOCKED OFF... UV-Base (4... Cunningham...
913 
1919 TypeA LOCKED OFF... UV-Base (4... Moorhead L... Moorhead L...
914 
1917 CA_Pliotron Triode, va... UV-Base (4... General El... General El...
915 
1918 CG-890 Triode, va... UV-Base (4... General El... General El...
916 
1918 CG-1162 Triode, va... UV-Base (4... General El... General El...
917 
1917 CW-933 Triode, va... UV-Base (4... Western El...
918 
1924 CW-1818A Transmitti... UV-Base (4... Western El...
919 
1923 DV1_1volt Triode, va... UV-Base (4... DeForest-T... DeForest-T...
920 
1923 DV6A Triode, va... UV-Base (4... DeForest-T... DeForest-T...
921 
1927 DV7 Triode, va... UV-Base (4... DeForest-T... DeForest-T...
922 
1926 D_CeCo Half-Wave ... UV-Base (4... CeCo (tube... CeCo (tube...
923 
1915 L_Western Triode, va... UV-Base (4... Western El...
924 
1914 M_Western Triode, va... UV-Base (4... Western El...
925 
1918 O_Western Triode, va... UV-Base (4...
926 
1918 SE-1444_Moorhead Triode, va... UV-Base (4... Moorhead L... Moorhead L...
927 
1925 UV196 Full-Wave ... UV-Base (4... Westinghou... Westinghou...
928 
1921 UV202 Transmitti... UV-Base (4... RCA (RCA V... General El...
929 
1924 UV210 Triode, va... UV-Base (4... General El... General El...
930 
1923 UV213 Full-Wave ... UV-Base (4... RCA (RCA V...
931 
1921 UV216 Half-Wave ... UV-Base (4... General El... General El...
932 
1915 V_Western Triode, va... UV-Base (4... Western El...
933 
1918 VT-16 Triode, va... UV-Base (4... General El... General El...
934 
1922 101DW Triode, va... UV-Base (4... Western El... Western El...
935 
1915 102A Triode, va... UV-Base (4... Western El...
936 
1922 102DW Triode, va... UV-Base (4... Western El...
937 
1922 104DW Triode, va... UV-Base (4... Western El...
938 
1922 223A Triode, va... UV-Base (4... Western El...
939 
1926 221D Triode, va... UV-Base (4... Western El...
940 
1927 216A_Nissl Triode, va... UV-Base (4... Czeija, Ni...
941 
1919 C_Moorhead Triode, va... UV-Base (4... Moorhead L... Moorhead L...
942 
1920 A-P_Oscillator Triode, va... UV-Base (4... Moorhead L... Moorhead L...
943 
1921 A-P_Rectifier Half-Wave ... UV-Base (4... Moorhead L...
944 
1923 A-P_Solenoid TRIODE (De... UV-Base (4... Moorhead L...
945 
1920 A-P_Transmitter Triode, va... UV-Base (4... Moorhead L...
946 
1925 C_CeCo Triode, va... UV-Base (4... CeCo (tube... General El...
947 
1919 C_Donle Gas Triode UV-Base (4... Connecticu...
948 
1923 Sodion_S11 Gas Triode UV-Base (4... Connecticu... Connecticu...
949 
1924 Sodion_S14 Gas Triode UV-Base (4... Connecticu...
950 
1924 D-21_Sodion Gas Triode UV-Base (4... Connecticu...
951 
1948 ESU400 Half-Wave ... UV-Base (4... Mazda = Va...
952 
1917 VT-1 Triode, va... UV-Base (4... Western El... Western El...
953 
1960 ESU103 Half-Wave ... UV-Base (4... Ediswan, S...
954 
1919 VT-Class-II Triode, va... UV-Base (4... Marconi Wi... Moorhead L...
955 
1919 VT-Class-I Gas Triode UV-Base (4... Marconi Wi... Moorhead L...
956 
1919 B_Moorhead-Shaw Gas Triode UV-Base (4... Moorhead L... Moorhead L...
957 
1920 C-300 LOCKED OFF... UV-Base (4...
958 
1925 UV216A Half-Wave ... UV-Base (4... General El... General El...
959 
1925 UV216B Half-Wave ... UV-Base (4... General El... General El...
960 
1925 10 Triode, va... UX-Base (4... ROK Common typ...
961 
1948 GL5720 Thyratron UX-Base (4... General El... General El...
962 
1927 26 Triode, va... UX-Base (4... ROK Common typ...
963 
1928 50 Triode, va... UX-Base (4... ROK Common typ...
964 
1927 UX240 Triode, va... UX-Base (4... ROK Common typ... General El...
965 
1930 201 Triode, va... UX-Base (4... ROK Common typ...
966 
1925 201A Triode, va... UX-Base (4... ROK Common typ... General El...
967 
1926 401_McCullough Triode, va... UX-Base (4... ROK Common typ... McCullough...
968 
1926 UX200A Gas Triode UX-Base (4... ROK Common typ...
969 
1925 WX12 Triode, va... UX-Base (4... ROK RCA (RCA V... Westinghou...
970 
1927 UX226 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
971 
1935 50T Transmitti... UX-Base (4... ROK Common typ... Eimac (bra...
972 
1934 150T Transmitti... UX-Base (4... ROK Common typ...
973 
1930 R0771 High-vacuu... UX-Base (4... CDN Rectron Gm...
974 
1925 UX200 Gas Triode UX-Base (4... Common typ... General El...
975 
1927 UX222 Screen-gri... UX-Base (4... ROK Common typ... General El...
976 
1930 31 Triode, va... UX-Base (4... ROK Common typ...
977 
1934 VG-1 Glow Indic... UX-Base (4... USA Sparton-Ca...
978 
1926 UX171A Triode, va... UX-Base (4... USA Common typ... General El...
979 
1926 B605 Triode, va... UX-Base (4... Philips; E... Philips; E...
980 
1930 30 Triode, va... UX-Base (4... ROK Common typ...
981 
1929 45 Triode, va... UX-Base (4... Common typ... Westinghou...
982 
1925 UX199 Triode, va... UX-Base (4... ROK General El... General El...
983 
1925 BH Full-Wave ... UX-Base (4... ROK Raytheon M... Raytheon M...
984 
1927 226 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
985 
1925 UX213 Full-Wave ... UX-Base (4... ROK Common typ...
986 
1925 UX216B Half-Wave ... UX-Base (4... ROK Common typ...
987 
1927 UX281 Half-Wave ... UX-Base (4... ROK Common typ... Westinghou...
988 
1938 WW313A Thyratron ... UX-Base (4... Bell Labs;...
989 
1926 F_CeCo Triode, va... UX-Base (4... CeCo (tube... Westinghou...
990 
1926 UX225 Triode, va... UX-Base (4... RCA (RCA V... Westinghou...
991 
1928 UX864 Triode, va... UX-Base (4... RCA (RCA V... General El...
992 
1926 235D Triode, va... UX-Base (4... Western El...
993 
1927 608 Triode, va... UX-Base (4... Marathon (... Marathon (...
994 
1927 630_Marathon Triode, va... UX-Base (4... Marathon (... Marathon (...
995 
1925 B_CeCo Triode, va... UX-Base (4... CeCo (tube... General El...
996 
1927 B8_Donle Gas Triode UX-Base (4... Donle-Bris... Donle-Bris...
997 
1926 B6_Donle Gas Triode UX-Base (4... Donle-Bris... Donle-Bris...
998 
1927 DP-10 Gas Triode UX-Base (4... Donle-Bris... Donle-Bris...
999 
1946 GL5559 Thyratron UX-Base (4... General El... General El...
1000 
1928 AC-40 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
1001 
1927 608R Triode, va... UX-Base (4... Marathon (... Marathon (...
1002 
1932 688 Photocell ... UX-Base (4... Cunningham...
1003 
1925 210_UX-Triode Triode, va... UX-Base (4... Common typ...
1004 
1927 AC-22 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
1005 
1927 AC-26 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
1006 
1927 AC-28 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
1007 
1927 AC-30 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
1008 
1927 AC-31 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
1009 
1927 AC-32 Triode, va... UX-Base (4... Arcturus R... Arcturus R...
1010 
1927 AC-46 Triode, va... UX-Base (4... Arcturus R...
1011 
1927 D-01A Triode, va... UX-Base (4... DeForest-T... General El...
1012 
1927 D-G Half-Wave ... UX-Base (4... CeCo (tube...
1013 
1926 DL2_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
1014 
1927 DL3_deForest Triode, va... UX-Base (4... DeForest-T...
1015 
1926 DL4_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
1016 
1926 DL5 Triode, va... UX-Base (4... DeForest-T... DeForest-T...
1017 
1926 DL7_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
1018 
1927 DL9_deForest Triode, va... UX-Base (4... DeForest-T...
1019 
1927 DL14_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
1020 
1927 DL15_deForest Triode, va... UX-Base (4... DeForest-T... DeForest-T...
1021 
1927 DR_deForest Half-Wave ... UX-Base (4... DeForest-T...
1022 
1926 E_CeCo Triode, va... UX-Base (4... CeCo (tube... General El...
1023 
1926 G_CeCo Triode, va... UX-Base (4... CeCo (tube... General El...
1024 
1926 H_CeCo Gas Triode UX-Base (4... CeCo (tube... General El...
1025 
1926 J71 Triode, va... UX-Base (4... CeCo (tube... General El...
1026 
1927 K_CeCo Triode, va... UX-Base (4... CeCo (tube... CeCo (tube...
1027 
1927 222 Screen-gri... UX-Base (4... Common typ... General El...
1028 
1925 SX201A Triode, va... UX-Base (4... Sylvania (... GEC, Gener...
1029 
1925 UX-199_code9 LOCKED OFF... UX-Base (4... Common typ...
1030 
1926 SX200A Gas Triode UX-Base (4... Sylvania (...
1031 
1925 UX-201-A_Japan Triode, va... UX-Base (4... Cymotron (... GEC, Gener...
1032 
1925 CX112 Triode, va... UX-Base (4... Cunningham... Westinghou...
1033 
1930 32E Screen-gri... UX-Base (4... Brimar (ST...
1034 
1932 C509A Triode, va... UX-Base (4... Philips; E... General El...
1035 
1925 AX201A Triode, va... UX-Base (4... Airline, S... GEC, Gener...
1036 
1925 A_UX-base Triode, va... UX-Base (4... Common typ...
1037 
1925 UX112 Triode, va... UX-Base (4... Common typ... Westinghou...
1038 
1927 80 Full-Wave ... UX-Base (4... ROK Common typ...
1039 
1927 22 Screen-gri... UX-Base (4... ROK Common typ... General El...
1040 
1926 71 Triode, va... UX-Base (4... ZA Common typ...
1041 
1928 P425 Triode, va... UX-Base (4... D Marconi-Os... Common typ...
1042 
1930 32 Screen-gri... UX-Base (4... ROK Common typ...
1043 
1927 280 Full-Wave ... UX-Base (4... ROK Common typ...
1044 
1927 UX280 Full-Wave ... UX-Base (4... ROK RCA (RCA V...
1045 
1926 71A Triode, va... UX-Base (4... ROK Common typ...
1046 
1925 UX171 Triode, va... UX-Base (4... ROK Common typ... General El...
1047 
1930 230 Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
1048 
1925 UX210 Triode, va... UX-Base (4... GB General El... General El...
1049 
1925 CX301A Triode, va... UX-Base (4... ROK Cunningham... General El...
1050 
1929 UX245 Triode, va... UX-Base (4... ROK Common typ... Westinghou...
1051 
1925 UX201A Triode, va... UX-Base (4... ROK Common typ... General El...
1052 
1925 01A Triode, va... UX-Base (4... ROK Common typ... RCA (RCA V...
1053 
1930 NY64 Screen-gri... UY-Base, 5... National U...
1054 
1931 NY68 Vacuum Pen... UY-Base, 5... National U...
1055 
1928 227S Triode, va... UY-Base, 5... Rogers-Maj...
1056 
1927 AY225 Triode, va... UY-Base, 5... RCA (RCA V...
1057 
1927 AY227 Triode, va... UY-Base, 5... RCA (RCA V...
1058 
1932 ER-LA Vacuum Pen... UY-Base, 5... Raytheon M...
1059 
1932 RENS351 Screen-gri... UY-Base, 5... Telefunken...
1060 
1931 UY38A Vacuum Pen... UY-Base, 5...
1061 
1931 UZ133D Vacuum Pen... UY-Base, 5... Common typ...
1062 
1931 47E Vacuum Pen... UY-Base, 5... National U...
1063 
1929 UY224 Screen-gri... UY-Base, 5... ROK Common typ... Westinghou...
1064 
1932 56 Triode, va... UY-Base, 5... ROK Common typ...
1065 
1931 NY67 Triode, va... UY-Base, 5... National U...
1066 
1930 38 Vacuum Pen... UY-Base, 5... ROK Common typ...
1067 
1929 224 Screen-gri... UY-Base, 5... ROK Common typ... Westinghou...
1068 
1930 36 Screen-gri... UY-Base, 5... ROK Common typ...
1069 
1932 46 Double Gri... UY-Base, 5... ROK Common typ...
1070 
1929 485_Sparton Triode, va... UY-Base, 5... Sparton-Ca... Sparton-Ca...
1071 
1931 33 Vacuum Pen... UY-Base, 5... ROK Common typ...
1072 
1932 49 Double Gri... UY-Base, 5... ROK Common typ...
1073 
1931 551 Screen-gri... UY-Base, 5... MEX Common typ...
1074 
1927 227 Triode, va... UY-Base, 5... ROK Common typ...
1075 
1929 24A Screen-gri... UY-Base, 5... ROK Common typ...
1076 
1927 27 Triode, va... UY-Base, 5... ZA Common typ...
1077 
1931 51 Screen-gri... UY-Base, 5... ROK Common typ...
1078 
1933 76 Triode, va... UY-Base, 5... ZA Common typ...
1079 
1931 UY235 Screen-gri... UY-Base, 5... ROK Common typ...
1080 
1930 486 Triode, va... UY-Base, 5... ROK Sparton-Ca... Sparton-Ca...
1081 
1928 C-686 Triode, va... UY-Base, 5... Sparton-Ca... Sparton-Ca...
1082 
1932 295 MULTI-SYST... UY-Base, 5... ROK Speed (Cab... Speed (Cab...
1083 
1933 52 Double Gri... UY-Base, 5... ROK Common typ...
1084 
1927 A235 Screen-gri... UY-Base, 5... CH Visseaux /...
1085 
1932 15 Vacuum Pen... UY-Base, 5... ROK Common typ... Sylvania (...
1086 
1927 UY227 Triode, va... UY-Base, 5... Common typ... Westinghou...
1087 
1935 35/51 Screen-gri... UY-Base, 5... Common typ...
1088 
1928 C-485 Triode, va... UY-Base, 5... Sparton-Ca... Sparton-Ca...
1089 
1931 NY65 Vacuum Pen... UY-Base, 5... National U...
1090 
1929 24 Screen-gri... UY-Base, 5... ROK Common typ...
1091 
1931 35 Screen-gri... UY-Base, 5... ROK Common typ...
1092 
1931 39 Vacuum Pen... UY-Base, 5... ROK Common typ...
1093 
1931 47 Vacuum Pen... UY-Base, 5... ROK Common typ...
1094 
1937 X63 Pentagrid-... Octal (Int... ZA Common typ...
1095 
1939 EF38 HEXODE Octal (Int... GB Mullard Ra... Mullard Ra...
1096 
1927 VT-132 Triode-Hex... Octal (Int... ROK Common typ...
1097 
1939 EF36 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Wi...
1098 
1942 EF37 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Ra...
1099 
1927 VT-112 Vacuum Pen... Octal (Int... ROK Common typ...
1100 
1940 DL31 Vacuum Pen... Octal (Int... EU Common typ... Mullard Wi...
1101 
1939 DL33 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Wi...
1102 
1938 EL32 Vacuum Pen... Octal (Int... GB Common typ... Mullard Wi...
1103 
1946 EL38 Vacuum Pen... Octal (Int... A Common typ...
1104 
1927 VT-124 Vacuum Pen... Octal (Int... ROK Common typ...
1105 
1927 VT-134 Beam Power... Octal (Int... ROK Common typ...
1106 
1952 EM35 Mag. Eye, ... Octal (Int... Telefunken...
1107 
1935 5Z4G Full-Wave ... Octal (Int... ROK Common typ... Arcturus R...
1108 
1939 6R7GT Double Dio... Octal (Int... ROK Common typ...
1109 
1939 12C8 Double Dio... Octal (Int... ROK Common typ...
1110 
1939 6AC7 Vacuum Pen... Octal (Int... ROK Common typ...
1111 
1938 CY31 Half-Wave ... Octal (Int... GB Mullard Ra...
1112 
1937 6X6_single-cathode Mag. Eye, ... Octal (Int... ROK Rogers-Maj...
1113 
1940 DM21 Mag. Eye, ... Octal (Int... NL Philips; E... Philips; E...
1114 
1960 EL300 Beam Power... Octal (Int... Common typ...
1115 
1940 DF22 Vacuum Pen... Octal (Int... NL Philips; E...
1116 
1950 EL34 Vacuum Pen... Octal (Int... Common typ... Philips; E...
1117 
1940 DLL21 Double Pen... Octal (Int... EU Philips; E... Philips; E...
1118 
1939 ECH35 Triode-Hex... Octal (Int... GB Mullard Ra...
1119 
1939 12SA7 Pentagrid-... Octal (Int... ROK Common typ... RCA (RCA V...
1120 
1936 6Q7G Double Dio... Octal (Int... ROK Common typ...
1121 
1937 25L6G Beam Power... Octal (Int... ROK Common typ...
1122 
1955 PL36 Beam Power... Octal (Int... Common typ...
1123 
1954 GZ34 Full-Wave ... Octal (Int... Common typ...
1124 
1941 UY1N Half-Wave ... Octal (Int... D Common typ...
1125 
1940 DAC21 Diode-Triode Octal (Int... EU Common typ... Philips; E...
1126 
1935 6F5 Triode, va... Octal (Int... ROK Common typ...
1127 
1952 UM35 Mag. Eye, ... Octal (Int... Telefunken...
1128 
1936 6B8 Double Dio... Octal (Int... ROK Common typ... Ken-Rad, T...
1129 
1935 5Z4 Full-Wave ... Octal (Int... ROK Common typ... RCA (RCA V...
1130 
1940 DF21 Vacuum Pen... Octal (Int... EU Common typ... Philips; E...
1131 
1940 DK21 OCTODE Octal (Int... NL Philips; E... Philips; E...
1132 
1935 6C5 Triode, va... Octal (Int... ROK Common typ...
1133 
1941 10E/501 Reflex Kly... Octal (Int...
1134 
1953 5Y3WGTB Full-Wave ... Octal (Int... General El...
1135 
1963 M130/1D Ionisation... Octal (Int... Standard T...
1136 
1941 CV35 Reflex Kly... Octal (Int... Common typ... EMI; Hayes...
1137 
1937 AC/QA Beam Power... Octal (Int... Hivac Ltd....
1138 
1953 5Y3WGTA Full-Wave ... Octal (Int... Common typ... General El...
1139 
1942 EF37A Vacuum Pen... Octal (Int... Mullard Ra... Mullard Ra...
1140 
1940 DLL21_2,8Volt LOCKED OFF... Octal (Int... Philips; E... Philips; E...
1141 
1925 VT-107 Beam Power... Octal (Int... Common typ...
1142 
1938 6E8G Triode-Hex... Octal (Int... CH Common typ...
1143 
1940 UM4 Mag. Eye, ... Octal (Int... EU Common typ... Philips; E...
1144 
1937 D63 Double Diode Octal (Int... A MO Valve C...
1145 
1941 12SF7 Diode-Pent... Octal (Int... ROK Common typ... RCA (RCA V...
1146 
1938 EBC33 Double Dio... Octal (Int... GB Mullard Ra... Mullard Wi...
1147 
1938 EBL31 Double Dio... Octal (Int... GB Mullard Ra... Mullard Wi...
1148 
1937 Z63 Vacuum Pen... Octal (Int... ROK Common typ...
1149 
1938 25L6GT Beam Power... Octal (Int... ROK Common typ...
1150 
1936 6R7 Double Dio... Octal (Int... CH Common typ...
1151 
1939 6SQ7 Double Dio... Octal (Int... ROK Common typ... RCA (RCA V...
1152 
1940 6V6GT Beam Power... Octal (Int... ROK Common typ... Hytron; Sa...
1153 
1938 AZ31 Full-Wave ... Octal (Int... GB Mullard Ra...
1154 
1938 EL33 Vacuum Pen... Octal (Int... GB Common typ... Mullard Wi...
1155 
1937 5Y3GB Full-Wave ... Octal (Int... CH Common typ...
1156 
1939 50L6GT Beam Power... Octal (Int... ROK Common typ...
1157 
1938 6M6 Vacuum Pen... Octal (Int... CH Common typ...
1158 
1937 Y63 Mag. Eye, ... Octal (Int... A Osram-Valv...
1159 
1939 35Z5G High-vacuu... Octal (Int... ROK Common typ... National U...
1160 
1939 6AF7 Mag. Eye, ... Octal (Int... CH Common typ...
1161 
1935 25A6 Vacuum Pen... Octal (Int... ROK Common typ...
1162 
1942 EBF32 Double Dio... Octal (Int... GB Mullard Ra... Mullard Wi...
1163 
1940 DL21 Vacuum Pen... Octal (Int... NL Philips; E... Philips; E...
1164 
1935 6K7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1165 
1939 35Z5GT Half-Wave ... Octal (Int... ROK Common typ... Ken-Rad, T...
1166 
1939 12SQ7GT Double Dio... Octal (Int... ROK Common typ...
1167 
1936 6K6G Vacuum Pen... Octal (Int... ROK Common typ...
1168 
1940 DBC21 Double Dio... Octal (Int... NL Philips; E... Philips; E...
1169 
1940 6M7 Vacuum Pen... Octal (Int... CH Common typ...
1170 
1936 25L6 Beam Power... Octal (Int... ROK Common typ...
1171 
1940 UCH4 Triode-Hep... Octal (Int... EU Common typ... Philips; E...
1172 
1946 EM34 Mag. Eye, ... Octal (Int... A Common typ...
1173 
1940 UBL1 Double Dio... Octal (Int... EU Common typ... Philips; E...
1174 
1940 ECH33 Triode-Hep... Octal (Int... GB Mullard Ra...
1175 
1939 EF39 Vacuum Pen... Octal (Int... GB Mullard Ra... Mullard Ra...
1176 
1937 W63 Vacuum Pen... Octal (Int... ROK Common typ...
1177 
1939 X61M Triode-Hex... Octal (Int... A Marconi-Os...
1178 
1939 12SK7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1179 
1939 12SQ7 Double Dio... Octal (Int... ROK Common typ... RCA (RCA V...
1180 
1938 6Q7GT Double Dio... Octal (Int... ROK Common typ...
1181 
1936 6R7G Double Dio... Octal (Int... ROK Common typ...
1182 
1938 6SK7 Vacuum Pen... Octal (Int... ROK Common typ... RCA (RCA V...
1183 
1939 DF33 Vacuum Pen... Octal (Int... EU Common typ... Mullard Wi...
1184 
1938 KT33 Screen-gri... Octal (Int... A MO Valve C...
1185 
1940 UF9 Vacuum Pen... Octal (Int... EU Common typ... Philips; E...
1186 
1939 6H8 Double Dio... Octal (Int... CH Common typ...
1187 
1937 H63 Triode, va... Octal (Int... ZA Common typ...
1188 
1938 L63 Triode, va... Octal (Int... A MO Valve C... MO Valve C...
1189 
1927 VT-133 Double Dio... Octal (Int... ROK Common typ...
1190 
1942 ECC31 Double Tri... Octal (Int... GB Mullard Ra...
1191 
1942 ECC32 Double Tri... Octal (Int... GB Mullard Ra...
1192 
1942 ECC35 Double Tri... Octal (Int... GB Mullard Ra...
1193 
1927 VT-137 Triode, va... Octal (Int... ROK Common typ...
1194 
1939 6A8GTX Pentagrid-... Octal (Int... ROK Common typ...
1195 
1940 DAH50 SPECIAL TU... Octal (Int... NL Philips; E... Philips; E...
1196 
1941 DCH21 Triode-Hex... Octal (Int... EU Common typ... Philips; E...
1197 
1930 88S Vacuum Pen... 6-Pin-Base... Rogers-Maj...
1198 
1932 WunderlichA-Auto Wunderlich... 6-Pin-Base... Arcturus R...
1199 
1931 UZ-55 Double Dio... 6-Pin-Base...
1200 
1932 1615 Vacuum Pen... 6-Pin-Base... Common typ...
1201 
1932 UZ58A Vacuum Pen... 6-Pin-Base... Common typ...
1202 
1932 UZ-58A Vacuum Pen... 6-Pin-Base... Common typ...
1203 
1933 77 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1204 
1932 Wunderlich Wunderlich... 6-Pin-Base... Arcturus R...
1205 
1933 75 Double Dio... 6-Pin-Base... ROK Common typ...
1206 
1933 19 Double Tri... 6-Pin-Base... ROK Common typ...
1207 
1932 48 Screen-gri... 6-Pin-Base... ROK Common typ...
1208 
1931 58 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1209 
1933 78 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1210 
1932 2A5 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1211 
1932 43 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1212 
1931 57 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1213 
1933 79 Double Tri... 6-Pin-Base... ROK Common typ...
1214 
1932 WunderlichA Wunderlich... 6-Pin-Base... ROK Arcturus R...
1215 
1932 WunderlichB Wunderlich... 6-Pin-Base... ROK Arcturus R...
1216 
1933 6C6 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1217 
1937 328A Vacuum Pen... 6-Pin-Base... ZA Common typ...
1218 
1933 6D6 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1219 
1937 6S5 Mag. Eye, ... 6-Pin-Base... ROK Common typ...
1220 
1932 42 Vacuum Pen... 6-Pin-Base... ROK Common typ...
1221 
1931 55 Double Dio... 6-Pin-Base... ROK Common typ...
1222 
1933 25Z5 High-vacuu... 6-Pin-Base... ROK Common typ...
1223 
1941 DCH22 Triode-Hex... Loctal-8, ... NL Philips; E... Philips; E...
1224 
1961 TK75 Reflex Kly... Loctal-8, ... Telefunken...
1225 
1951 HM71 Mag. Fan, ... Loctal-8, ... Lorenz; Be...
1226 
1950 ECH71 Triode-Hep... Loctal-8, ... Lorenz; Be...
1227 
1947 UL71 Vacuum Pen... Loctal-8, ... CDN Lorenz; Be...
1228 
1941 EBL21 Double Dio... Loctal-8, ... NL Philips; E... Philips; E...
1229 
1941 UCH21 Triode-Hep... Loctal-8, ... NL Philips; E... Philips; E...
1230 
1942 DL25 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1231 
1941 ECH21 Triode-Hep... Loctal-8, ... NL Philips; E... Philips; E...
1232 
1941 UBL21 Double Dio... Loctal-8, ... NL Common typ... Philips; E...
1233 
1941 AZ21 Full-Wave ... Loctal-8, ... NL Philips; E... Philips; E...
1234 
1941 UF21 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1235 
1941 EF22 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1236 
1941 DDD25 Double Tri... Loctal-8, ... NL Common typ... Philips; E...
1237 
1941 DC25 Triode, va... Loctal-8, ... EU Common typ... Philips; E...
1238 
1941 UY21 Half-Wave ... Loctal-8, ... NL Philips; E... Philips; E...
1239 
1942 EF51 Vacuum Pen... Loctal-8, ... NL Common typ... Philips; E...
1240 
1947 EL20 Vacuum Pen... Loctal-8, ... NL Philips; E...
1241 
1948 7AK7 Vacuum Pen... Loctal-8, ...
1242 
1941 DF25 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1243 
1941 DCH25 Triode-Hex... Loctal-8, ... NL Philips; E... Philips; E...
1244 
1951 EM72 Mag. Fan, ... Loctal-8, ... Lorenz; Be...
1245 
1949 EM71 Mag. Fan, ... Loctal-8, ... Lorenz; Be... Lorenz; Be...
1246 
1948 UEL71 Tetrode-Pe... Loctal-8, ... CDN Lorenz; Be...
1247 
1950 UBL71 Double Dio... Loctal-8, ...
1248 
1950 EBL71 Double Dio... Loctal-8, ... Lorenz; Be...
1249 
1953 EM71a Mag. Fan, ... Loctal-8, ... Lorenz; Be...
1250 
1950 UCH71 Triode-Hep... Loctal-8, ... Lorenz; Be...
1251 
1941 DAC25 Diode-Triode Loctal-8, ... NL Philips; E... Philips; E...
1252 
1941 DF26 Vacuum Pen... Loctal-8, ... NL Philips; E... Philips; E...
1253 
1938 OSW3121 Full-Wave ... German Ste... Werk für F...
1254 
1938 EBF11g Double Dio... German Ste... Telefunken... Telefunken...
1255 
1950 DAP50 Vacuum Pen... German Ste... Telefunken...
1256 
1947 ECH11g Triode-Hex... German Ste... Telefunken...
1257 
1938 ECH11 Triode-Hex... German Ste... D Common typ... Telefunken...
1258 
1940 DF11 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1259 
1939 UBF11 Double Dio... German Ste... EU Common typ... Telefunken...
1260 
1947 VF14 Vacuum Pen... German Ste... CDN Telefunken...
1261 
1940 UFM11 Mag. Eye, ... German Ste... EU Common typ... Telefunken...
1262 
1938 EZ12 Full-Wave ... German Ste... D Telefunken... Telefunken...
1263 
1938 EB11 Double Diode German Ste... D Telefunken... Telefunken...
1264 
1939 EM11 Mag. Eye, ... German Ste... D Telefunken... Telefunken...
1265 
1940 DC11 Triode, va... German Ste... EU Common typ... Telefunken...
1266 
1940 UL12 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1267 
1938 EF12 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1268 
1938 EBF11 Double Dio... German Ste... D Telefunken... Telefunken...
1269 
1938 EZ11 Full-Wave ... German Ste... D Common typ... Telefunken...
1270 
1939 UCL11 Triode-Bea... German Ste... EU Common typ... Telefunken...
1271 
1939 UY11 Half-Wave ... German Ste... EU Common typ... Telefunken...
1272 
1938 AZ12 Full-Wave ... German Ste... D Telefunken...
1273 
1938 EF11 Vacuum Pen... German Ste... D Common typ... Telefunken...
1274 
1938 AZ11 Full-Wave ... German Ste... D Common typ...
1275 
1940 DDD11 Double Tri... German Ste... EU Common typ... Telefunken...
1276 
1940 DL11 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1277 
1939 ES111 Vacuum Pen... German Ste... D Telefunken... Telefunken...
1278 
1937 50NG High-vacuu... German Ste... CDN Loewe-(Opt...
1279 
1939 UCH11 Triode-Hex... German Ste... EU Common typ... Telefunken...
1280 
1940 DAF11 Diode-Pent... German Ste... EU Common typ... Telefunken...
1281 
1940 UM11 Mag. Eye, ... German Ste... EU Common typ... Telefunken...
1282 
1939 EF14 Vacuum Pen... German Ste... D Telefunken... Telefunken...
1283 
1938 EBC11 Double Dio... German Ste... D Telefunken... Telefunken...
1284 
1939 EL11N Vacuum Pen... German Ste... NL Philips; E...
1285 
1939 EL12spez Vacuum Pen... German Ste... D Telefunken... Telefunken...
1286 
1939 AZ11N Full-Wave ... German Ste... NL Telefunken... Philips; E...
1287 
1938 241NG Full-Wave ... German Ste... CDN Loewe-(Opt...
1288 
1939 EA111 Half-Wave ... German Ste... D Common typ... Telefunken...
1289 
1938 EL11 Vacuum Pen... German Ste... D Common typ... Telefunken...
1290 
1939 ECL11 Triode-Bea... German Ste... D Telefunken... Telefunken...
1291 
1938 EDD11 Double Tri... German Ste... D Telefunken... Telefunken...
1292 
1938 EL12 Vacuum Pen... German Ste... D Common typ... Telefunken...
1293 
1940 EL12/375 Vacuum Pen... German Ste... J Telefunken...
1294 
1940 EL12/325 Vacuum Pen... German Ste...
1295 
1950 UF15 Vacuum Pen... German Ste... Telefunken... Telefunken...
1296 
1947 VEL11 Double Tet... German Ste... CDN Telefunken... Telefunken...
1297 
1940 UF11 Vacuum Pen... German Ste... EU Common typ... Telefunken...
1298 
1950 UL11 Vacuum Pen... German Ste... Telefunken... Telefunken...
1299 
1950 ECF12 Triode-Pen... German Ste... Telefunken... Telefunken...
1300 
1938 EFM11 Mag.Eye-Pe... German Ste... D Telefunken... Telefunken...
1301 
1940 DCH11 Triode-Hex... German Ste... EU Common typ... Telefunken...
1302 
1950 UBF15 Double Dio... German Ste... Telefunken... Telefunken...
1303 
1949 EAA11 Double Diode German Ste... Telefunken...
1304 
1949 UEL11 Double Tet... German Ste... Telefunken... Telefunken...
1305 
1950 UAA11 Double Diode German Ste... Telefunken... Telefunken...
1306 
1950 EF15 Vacuum Pen... German Ste... Telefunken... Telefunken...
1307 
1949 EL13 Beam Power... German Ste... Telefunken...
1308 
1948 UBF11g Double Dio... German Ste... Telefunken...
1309 
1938 VCL11 Triode-Bea... German Ste... EU Common typ... Telefunken...
1310 
1947 VCH11 Triode-Hex... German Ste... CDN Telefunken...
1311 
1950 UF14 Vacuum Pen... German Ste...
1312 
1950 EBF15 Double Dio... German Ste... Telefunken... Telefunken...
1313 
1950 UCF12 Triode-Pen... German Ste... Telefunken... Telefunken...
1314 
1938 EF13 Vacuum Pen... German Ste... D Telefunken... Telefunken...
1315 
1950 UEL51 Double Tet... German Ste... Funkwerk E... Funkwerk E...
1316 
1942 EL151 Beam Power... German Ste... CDN Telefunken...
1317 
1952 EL156 Beam Power... German Ste... Telefunken...
1318 
1949 UBC41 Double Dio... Rimlock ba... Philips; E...
1319 
1947 CF141 Triode-Hex... Rimlock ba... Mazda (tub...
1320 
1950 UF42 Vacuum Pen... Rimlock ba... Common typ...
1321 
1950 UF43 Vacuum Pen... Rimlock ba... Common typ...
1322 
1948 ECC40 Double Tri... Rimlock ba... J Common typ... Philips; E...
1323 
1948 EZ40 Full-Wave ... Rimlock ba... Common typ... Philips; E...
1324 
1948 ECH42 Triode-Hex... Rimlock ba... Common typ... Philips; E...
1325 
1947 EAF41 Diode-Pent... Rimlock ba... J Common typ...
1326 
1950 EF43 Vacuum Pen... Rimlock ba... Common typ...
1327 
1948 UCH42 Triode-Hex... Rimlock ba... Common typ... Philips; E...
1328 
1948 UAF42 Diode-Pent... Rimlock ba... Common typ...
1329 
1950 ECH43 Triode-Hex... Rimlock ba... Common typ...
1330 
1948 UY42 Half-Wave ... Rimlock ba... Philips; E...
1331 
1947 EL41 Vacuum Pen... Rimlock ba... J Common typ...
1332 
1950 ECL113 Triode-Bea... Rimlock ba... Telefunken... Telefunken...
1333 
1947 EL42 Vacuum Pen... Rimlock ba... J Common typ...
1334 
1948 EAF42 Diode-Pent... Rimlock ba... Common typ... Philips; E...
1335 
1947 AZ41 Full-Wave ... Rimlock ba... EU Common typ... Philips; E...
1336 
1948 EZ41 Full-Wave ... Rimlock ba... Common typ... Philips; E...
1337 
1948 DK40 OCTODE Rimlock ba... EU Common typ... Philips; E...
1338 
1947 EF41 Vacuum Pen... Rimlock ba... J Common typ...
1339 
1947 UL41 Vacuum Pen... Rimlock ba... J Common typ...
1340 
1948 EF40 Vacuum Pen... Rimlock ba... J Common typ...
1341 
1948 DL41 Vacuum Pen... Rimlock ba... EU Common typ... Philips; E...
1342 
1947 V41_Mazda-F Full-Wave ... Rimlock ba... Mazda (tub... Philips; E...
1343 
1948 V61 Full-Wave ... Rimlock ba... Mazda (tub...
1344 
1947 V311 Half-Wave ... Rimlock ba... Mazda (tub...
1345 
1948 V312_Mazda-F Half-Wave ... Rimlock ba... Mazda (tub...
1346 
1951 EZ40A Full-Wave ... Rimlock ba... Common typ...
1347 
1948 UL44 Vacuum Pen... Rimlock ba...
1348 
1948 EB41 Double Diode Rimlock ba... Common typ...
1349 
1949 EBC41 Double Dio... Rimlock ba... Common typ... Philips; E...
1350 
1949 EQ40 ENNEODE Rimlock ba... Common typ... Philips; E...
1351 
1947 UF41 Vacuum Pen... Rimlock ba... J Common typ... Philips; E...
1352 
1948 EF42 Vacuum Pen... Rimlock ba... J Common typ...
1353 
1947 UY41 Half-Wave ... Rimlock ba... J Common typ... Philips; E...
1354 
1947 ECH41 Triode-Hex... Rimlock ba... Common typ...
1355 
1947 UCH41 Triode-Hex... Rimlock ba... J Common typ...
1356 
1947 UAF41 Diode-Pent... Rimlock ba... J Common typ...
1357 
1947 EL42E Vacuum Pen... Rimlock ba...
1358 
1947 6CK5 Vacuum Pen... Rimlock ba... Common typ... Philips; E...
1359 
1947 6CJ5 Vacuum Pen... Rimlock ba... Common typ... Philips; E...
1360 
1948 6CT7 Diode-Pent... Rimlock ba... Common typ... Philips; E...
1361 
1947 45A5 Vacuum Pen... Rimlock ba... Common typ... Philips; E...
1362 
1948 AA61 Double Tri... Rimlock ba... Mazda (tub... Philips; E...
1363 
1947 BF62 Vacuum Pen... Rimlock ba... Mazda (tub...
1364 
1947 BF451_Mazda-F Vacuum Pen... Rimlock ba... Mazda (tub...
1365 
1950 UB41 Double Diode Rimlock ba...
1366 
1949 DF92 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1367 
1948 12AV6 Double Dio... Miniatur-7... ROK Common typ...
1368 
1948 50C5 Beam Power... Miniatur-7... ROK Common typ...
1369 
1946 35W4 Half-Wave ... Miniatur-7... ROK Common typ... RCA (RCA V...
1370 
1947 DAF91 Diode-Pent... Miniatur-7... NL Philips; E... Philips; E...
1371 
1946 12BA6 Vacuum Pen... Miniatur-7... USA Common typ... RCA (RCA V...
1372 
1945 3V4 Vacuum Pen... Miniatur-7... ROK Common typ...
1373 
1956 GK20 Thyratron ... Miniatur-7... Ferranti, GB
1374 
1956 GK50 Thyratron ... Miniatur-7... Ferranti, GB
1375 
1957 3Z4 Vacuum Pen... Miniatur-7...
1376 
1950 X77 Pentagrid-... Miniatur-7...
1377 
1950 X727 Pentagrid-... Miniatur-7... Osram-Valv...
1378 
1951 XAA91 Double Diode Miniatur-7...
1379 
1962 4FY5 Triode, va... Miniatur-7...
1380 
1962 XC97 Triode, va... Miniatur-7...
1381 
1962 XCC82 Double Tri... Miniatur-7...
1382 
1950 DL907 Vacuum Pen... Miniatur-7... Telefunken...
1383 
1951 DK92 Pentagrid-... Miniatur-7... EU Common typ...
1384 
1953 DK96 Pentagrid-... Miniatur-7... EU Common typ...
1385 
1953 DAF96 Diode-Pent... Miniatur-7... EU Common typ... Philips; E...
1386 
1953 DL96 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1387 
1952 UC92 Triode, va... Miniatur-7... Common typ...
1388 
1957 EF98 Vacuum Pen... Miniatur-7... Common typ...
1389 
1950 HF93 Vacuum Pen... Miniatur-7... Common typ...
1390 
1950 EK90 Pentagrid-... Miniatur-7... Common typ...
1391 
1957 EF97 Vacuum Pen... Miniatur-7... Common typ...
1392 
1946 6BA6 Vacuum Pen... Miniatur-7... USA Common typ... RCA (RCA V...
1393 
1946 6BE6 Pentagrid-... Miniatur-7... USA Common typ... RCA (RCA V...
1394 
1950 EL90 Beam Power... Miniatur-7... Common typ...
1395 
1955 DC96 Triode, va... Miniatur-7... EU Common typ...
1396 
1950 EF94 Vacuum Pen... Miniatur-7... Common typ...
1397 
1951 EAA91 Double Diode Miniatur-7... Common typ...
1398 
1956 EL95 Beam Power... Miniatur-7... Common typ...
1399 
1949 EB91 Double Diode Miniatur-7... A Common typ...
1400 
1940 1T4 Vacuum Pen... Miniatur-7... ROK Common typ...
1401 
1950 DL94 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1402 
1953 DF96 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1403 
1954 DF97 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1404 
1950 EF93 Vacuum Pen... Miniatur-7... Common typ...
1405 
1947 X17 HEPTODE Miniatur-7...
1406 
1947 W17 Vacuum Pen... Miniatur-7...
1407 
1953 EF95 Vacuum Pen... Miniatur-7... Mullard Ra...
1408 
1951 DF904 Vacuum Pen... Miniatur-7... Common typ...
1409 
1950 DL93 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1410 
1950 DLL101 Double Pen... Miniatur-7... Tungsram; ... Tungsram; ...
1411 
1950 EBC91 Double Dio... Miniatur-7... Common typ...
1412 
1947 DL92 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1413 
1940 1R5 Pentagrid-... Miniatur-7... USA Common typ...
1414 
1947 DK91 HEPTODE Miniatur-7... EU Common typ...
1415 
1947 DF91 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1416 
1951 EZ90 Full-Wave ... Miniatur-7... Common typ...
1417 
1947 N17 Vacuum Pen... Miniatur-7...
1418 
1951 HY90 Half-Wave ... Miniatur-7... Common typ...
1419 
1940 3S4 Vacuum Pen... Miniatur-7... ROK Common typ...
1420 
1952 DC90 Triode, va... Miniatur-7... EU Common typ...
1421 
1947 ZD17 Diode-Pent... Miniatur-7...
1422 
1942 3A4 Vacuum Pen... Miniatur-7... ROK Common typ...
1423 
1950 3E5 Beam Power... Miniatur-7...
1424 
1956 3W4 Vacuum Pen... Miniatur-7... Common typ...
1425 
1946 12BE6 Pentagrid-... Miniatur-7... ROK Common typ... RCA (RCA V...
1426 
1951 ECC91 Double Tri... Miniatur-7... Common typ...
1427 
1962 PC95 Triode, va... Miniatur-7... Common typ...
1428 
1962 PC97 Triode, va... Miniatur-7... Common typ...
1429 
1960 PC96 Triode, va... Miniatur-7... Funkwerk E...
1430 
1963 PC900 Triode, va... Miniatur-7... Common typ...
1431 
1965 EC900 Triode, va... Miniatur-7...
1432 
1954 6BM5 Vacuum Pen... Miniatur-7...
1433 
1950 HBC91 Double Dio... Miniatur-7... Common typ...
1434 
1950 HK90 Pentagrid-... Miniatur-7... Common typ...
1435 
1950 HL90 Beam Power... Miniatur-7... Common typ...
1436 
1953 6BX4 Full-Wave ... Miniatur-7... Common typ...
1437 
1950 DL95 Vacuum Pen... Miniatur-7... EU Common typ... Philips; E...
1438 
1956 EC93 Triode, va... Miniatur-7... Common typ...
1439 
1952 EC92 Triode, va... Miniatur-7... Common typ... Common typ...
1440 
1950 HF94 Vacuum Pen... Miniatur-7... Common typ...
1441 
1950 DF906 Screen-gri... Miniatur-7...
1442 
1946 12AT6 Double Dio... Miniatur-7... ROK Common typ... RCA (RCA V...
1443 
1942 1L4 Vacuum Pen... Miniatur-7... USA Common typ...
1444 
1948 DL91 Vacuum Pen... Miniatur-7... NL Philips; E...
1445 
1940 1S4 Vacuum Pen... Miniatur-7... ROK Common typ...
1446 
1942 6AK5 Vacuum Pen... Miniatur-7... USA Common typ... Western El...
1447 
1950 DF67 Vacuum Pen... Subminiatu...
1448 
1950 DL67 Vacuum Pen... Subminiatu...
1449 
1953 1AJ5 Diode-Pent... Subminiatu... Raytheon M...
1450 
1955 DF651 Vacuum Pen... Subminiatu... D Telefunken...
1451 
1955 DL651spez Vacuum Pen... Subminiatu...
1452 
1955 DL651 Vacuum Pen... Subminiatu...
1453 
1952 ES11 Voltage Re... Subminiatu... Elesta AG,...
1454 
1955 DL651E Vacuum Pen... Subminiatu...
1455 
1957 DL68 Vacuum Pen... Subminiatu...
1456 
1951 UF80 Vacuum Pen... Noval, B9A Common typ...
1457 
1951 EF85 Vacuum Pen... Noval, B9A Common typ...
1458 
1952 EABC80 Triple Dio... Noval, B9A Common typ...
1459 
1953 EM80 Mag. Fan, ... Noval, B9A Common typ...
1460 
1957 EBF83 Double Dio... Noval, B9A Common typ...
1461 
1952 HABC80 Triple Dio... Noval, B9A Common typ...
1462 
1952 HM85 Mag. Fan, ... Noval, B9A Lorenz; Be...
1463 
1954 UM80 Mag. Fan, ... Noval, B9A Common typ...
1464 
1956 UCL82 Triode-Pen... Noval, B9A Common typ...
1465 
1954 EF89 Vacuum Pen... Noval, B9A Common typ...
1466 
1956 UBF89 Double Dio... Noval, B9A Common typ...
1467 
1955 UL84 Vacuum Pen... Noval, B9A Common typ...
1468 
1952 EF804 Vacuum Pen... Noval, B9A Telefunken... Telefunken...
1469 
1950 EBF80 Double Dio... Noval, B9A Common typ...
1470 
1954 UCC85 Double Tri... Noval, B9A Common typ...
1471 
1952 EM85 Mag. Fan, ... Noval, B9A Common typ...
1472 
1951 ECC82 Double Tri... Noval, B9A Common typ...
1473 
1956 EF83 Vacuum Pen... Noval, B9A Common typ...
1474 
1954 UF89 Vacuum Pen... Noval, B9A Common typ...
1475 
1953 UM85 Mag. Fan, ... Noval, B9A Lorenz; Be... Lorenz; Be...
1476 
1953 ECC85 Double Tri... Noval, B9A Common typ...
1477 
1950 UBF80 Double Dio... Noval, B9A Common typ...
1478 
1954 UY85 Half-Wave ... Noval, B9A Common typ...
1479 
1951 UF85 Vacuum Pen... Noval, B9A Common typ...
1480 
1952 UABC80 Triple Dio... Noval, B9A Common typ...
1481 
1952 ECH81 Triode-Hep... Noval, B9A Common typ...
1482 
1952 UCL81 Triode-Bea... Noval, B9A Common typ... Telefunken...
1483 
1950 EQ80 ENNEODE Noval, B9A Common typ... Philips; E...
1484 
1950 ECL80 Triode-Pen... Noval, B9A Common typ... Philips; E...
1485 
1955 EF86 Vacuum Pen... Noval, B9A Common typ...
1486 
1961 EM87 Mag. bar t... Noval, B9A Common typ...
1487 
1966 PL802 Beam Power... Noval, B9A EU Common typ...
1488 
1966 PL805 Beam Power... Noval, B9A Common typ...
1489 
1967 DY802 Half-Wave ... Noval, B9A Mullard Ra...
1490 
1967 EM800 Mag. bar t... Noval, B9A Common typ...
1491 
1968 PCL805 Triode-Bea... Noval, B9A Common typ...
1492 
1951 ECC81 Double Tri... Noval, B9A Common typ...
1493 
1955 DY86 High-vacuu... Noval, B9A EU Common typ...
1494 
1953 EL84 Vacuum Pen... Noval, B9A EU Common typ...
1495 
1956 ECL82 Triode-Bea... Noval, B9A Common typ...
1496 
1947 12AT7 Double Tri... Noval, B9A USA Common typ... General El...
1497 
1960 ELL80 Double Bea... Noval, B9A Common typ... Lorenz; Be...
1498 
1957 EM84 Mag. bar t... Noval, B9A Common typ...
1499 
1954 EBF89 Double Dio... Noval, B9A Common typ...
1500 
1963 ECC808 Double Tri... Noval, B9A Common typ...
1501 
1950 EF80 Vacuum Pen... Noval, B9A Common typ...
1502 
1952 EZ80 Full-Wave ... Noval, B9A Common typ...
1503 
1955 PCL82 Triode-Bea... Noval, B9A Common typ...
1504 
1964 EMM803 Mag. bar t... Noval, B9A Lorenz; Be...
1505 
1951 PCL81 Triode-Bea... Noval, B9A Telefunken... Telefunken...
1506 
1952 PY83 Damper, bo... Noval, B9A Common typ...
1507 
1950 PL83 Vacuum Pen... Noval, B9A Common typ...
1508 
1951 PL82 Vacuum Pen... Noval, B9A Common typ...
1509 
1950 PL81 Beam Power... Noval, B9A Common typ...
1510 
1951 DY80 Half-Wave ... Noval, B9A EU Common typ...
1511 
1956 EL86 Vacuum Pen... Noval, B9A Common typ...
1512 
1957 EM840 Mag. bar t... Noval, B9A
1513 
1957 EMM801 Mag. Bar d... Noval, B9A Telefunken...
1514 
1957 PCL84 Triode-Pen... Noval, B9A Common typ...
1515 
1957 PY88 Damper, bo... Noval, B9A Common typ...
1516 
1958 ECF83 Triode-Pen... Noval, B9A Common typ...
1517 
1958 PC86 Triode, va... Noval, B9A Common typ...
1518 
1958 PM84 Mag. bar t... Noval, B9A Common typ...
1519 
1958 ECC802 Double Tri... Noval, B9A CDN Lorenz; Be...
1520 
1956 UBC81 Double Dio... Noval, B9A Common typ...
1521 
1960 EAM86 Mag. bar t... Noval, B9A Telefunken...
1522 
1954 ECC83 Double Tri... Noval, B9A Common typ...
1523 
1963 EAF801 Diode-Pent... Noval, B9A Common typ...
1524 
1953 EY81 Damper, bo... Noval, B9A Common typ...
1525 
1955 DY87 Half-Wave ... Noval, B9A EU Common typ... Philips; E...
1526 
1952 HCH81 Triode-Hep... Noval, B9A Common typ...
1527 
1956 PL84 Vacuum Pen... Noval, B9A Common typ...
1528 
1953 PCC84 Double Tri... Noval, B9A Common typ...
1529 
1951 PY81 Damper, bo... Noval, B9A Common typ...
1530 
1953 PCC85 Double Tri... Noval, B9A Common typ...
1531 
1951 EF804S Vacuum Pen... Noval, B9A Telefunken... Telefunken...
1532 
1949 EC80 Triode, va... Noval, B9A
1533 
1950 PY80 Damper, bo... Noval, B9A Common typ...
1534 
1959 EC86 Triode, va... Noval, B9A Telefunken...
1535 
1960 ECH84 Triode-Hep... Noval, B9A Common typ...
1536 
1960 EF183 Vacuum Pen... Noval, B9A Common typ...
1537 
1960 EF184 Vacuum Pen... Noval, B9A Common typ...
1538 
1960 PCC189 Double Tri... Noval, B9A Common typ...
1539 
1960 PCL86 Triode-Bea... Noval, B9A Common typ...
1540 
1960 PLL80 Double Bea... Noval, B9A Lorenz; Be...
1541 
1961 EM84a Mag. bar t... Noval, B9A Common typ...
1542 
1961 PC88 Triode, va... Noval, B9A Common typ...
1543 
1961 PCF86 Triode-Pen... Noval, B9A Mullard Ra...
1544 
1961 PCL85 Triode-Bea... Noval, B9A Common typ...
1545 
1962 PCF801 Triode-Pen... Noval, B9A
1546 
1962 PCF802 Triode-Pen... Noval, B9A
1547 
1963 ECLL800 Triode+Dou... Noval, B9A Lorenz; Be... Lorenz; Be...
1548 
1963 PCF803 Triode-Pen... Noval, B9A
1549 
1964 ECF801 Triode-Pen... Noval, B9A Common typ...
1550 
1964 ED8000 Triode, va... Noval, B9A Common typ...
1551 
1959 EL183 Beam Power... Noval, B9A Common typ...
1552 
1965 ECH8000 Triode-Hep... Noval, B9A Telefunken...
1553 
1952 EL8000 Vacuum Pen... Noval, B9A
1554 
1952 ES1 Voltage Re... Noval, B9A Elesta AG,...
1555 
1952 ES2 Voltage Re... Noval, B9A Elesta AG,...
1556 
1950 UQ80 ENNEODE Noval, B9A Common typ...
1557 
1958 ECC86 Double Tri... Noval, B9A
1558 
1952 UCH81 Triode-Hep... Noval, B9A Common typ...
1559 
1956 E88CC Double Tri... Noval, B9A Common typ...
1560 
1953 PCF82 Triode-Pen... Noval, B9A Common typ...
1561 
1952 PABC80 Triple Dio... Noval, B9A Common typ...
1562 
1951 PY82 Half-Wave ... Noval, B9A Common typ...
1563 
1954 EY86 Half-Wave ... Noval, B9A Common typ...
1564 
1955 E82M Mag. Bar d... Noval, B9A Valvo Radi...
1565 
1957 EL804 Vacuum Pen... Noval, B9A Telefunken...
1566 
1962 E88C Triode, va... Noval, B9A Common typ...
1567 
1953 PCF80 Triode-Pen... Noval, B9A Common typ...
1568 
1949 6N8 Double Dio... Noval, B9A Common typ... Philips; E...
1569 
1957 PCC88 Double Tri... Noval, B9A Common typ...
1570 
1952 EL803 Vacuum Pen... Noval, B9A Telefunken...
1571 
1954 EBC81 Double Dio... Noval, B9A Common typ...
1572 
2008 EL84-T_G3-separated Vacuum Pen... Noval, B9A JJ Electro...
1573 
1955 EAF81 Diode-Pent... Noval, B9A Lorenz; Be... Lorenz; Be...
1574 
1949 6BD7 Double Dio... Noval, B9A Common typ... Philips; E...
1575 
1952 6BH5 Vacuum Pen... Noval, B9A Amalgamate...
1576 
1955 N119 Vacuum Pen... Noval, B9A
1577 
1951 N152 Beam Power... Noval, B9A
1578 
1951 N153 Vacuum Pen... Noval, B9A
1579 
1951 N154 Vacuum Pen... Noval, B9A
1580 
1960 7ES8 Double Tri... Noval, B9A
1581 
1960 XCC189 Double Tri... Noval, B9A
1582 
1957 XY88 Damper, bo... Noval, B9A
1583 
1954 Y119 Mag. Fan, ... Noval, B9A
1584 
1954 95-127-01 Double Tri... Noval, B9A Common typ...
1585 
1951 95-126-01 Double Tri... Noval, B9A Common typ...
1586 
1951 6AD8 Double Dio... Noval, B9A Amalgamate...
1587 
1949 6AN7 Triode-Hex... Noval, B9A Common typ... Philips; E...
1588 
1949 6M5 Vacuum Pen... Noval, B9A Common typ... Philips; E...
1589 
1952 19AK8 Triple Dio... Noval, B9A Common typ...
1590 
1957 EL803S Vacuum Pen... Noval, B9A Telefunken...
1591 
1955 6CF8 Vacuum Pen... Noval, B9A
1592 
1960 6HU8 Double Bea... Noval, B9A Lorenz; Be...
1593 
1966 PL509 Beam Power... Magnoval (... Common typ...
1594 
1960 XL500 Beam Power... Magnoval (...
1595 
1966 PL508 Beam Power... Magnoval (... Common typ...
1596 
1966 PL505 Beam Power... Magnoval (... Common typ...
1597 
1966 PL504 Beam Power... Magnoval (... Common typ...
1598 
1966 PD500 Triode, va... Magnoval (... Common typ...
1599 
1966 ED500 Triode, va... Magnoval (... Common typ...
1600 
1965 EL503 Beam Power... Magnoval (... Common typ...
1601 
1960 PL500 Beam Power... Magnoval (... Common typ...
1602 
1966 9ED4 Triode, va... Magnoval (...
1603 
1970 PL519 Beam Power... Magnoval (... Common typ...
1604 
1964 PCF200 Triode-Pen... Dekal, B10C Common typ...
1605 
1964 9V9 Triode-Hep... Dekal, B10C
1606 
1964 PCH200 Triode-Hep... Dekal, B10C Common typ...
1607 
1964 PFL200 Double Pen... Dekal, B10C Common typ...
1608 
1965 PCL200 Triode-Bea... Dekal, B10C Common typ...
1609 
1949 12SP7 Radar Pict... Duodecal (... Common typ...
1610 
1950 MW22-16 Television... Duodecal (... Mullard Ra...
1611 
1961 E710 Storage Os... Diheptal (... English El...
1612 
1955 Memotron Storage Os... Diheptal (... Hughes Air...
1613 
1955 6498 Storage Os... Diheptal (... Hughes Air... Hughes Air...
1614 
1918 RS17 Transmitti... TRANSMITTE... Telefunken...
1615 
1919 MT2C Transmitti... TRANSMITTE... Ediswan, S... Marconi's ...
1616 
1919 MT3F Transmitti... TRANSMITTE... Ediswan, S... Marconi's ...
1617 
1919 MT6 Transmitti... TRANSMITTE... Ediswan, S... Marconi's ...
1618 
1919 MT5B Transmitti... TRANSMITTE... Ediswan, S... Marconi's ...
1619 
1919 MT3 Transmitti... TRANSMITTE... Ediswan, S... Marconi's ...
1620 
1919 MT2 Transmitti... TRANSMITTE... Ediswan, S... Marconi's ...
1621 
1922 MT7A Transmitti... TRANSMITTE... Osram-Valv... Marconi's ...
1622 
1918 CG-916 Transmitti... TRANSMITTE... General El... General El...
1623 
1918 MSII Transmitti... TRANSMITTE... CHF Müller...
1624 
1927 RO Transmitti... TRANSMITTE... DeForest-T... DeForest-T...
1625 
1920 RS1 Transmitti... TRANSMITTE... Telefunken...
1626 
1960 AW53-89 Television... CRT-TUBE-B... Common typ...
1627 
1960 E702 Storage Os... CRT-TUBE-B... English El...
1628 
1937 RV12P2000 Vacuum Pen... Side conta... CDN Telefunken... Telefunken...
1629 
1940 AF100 Vacuum Pen... Side conta... D Telefunken...
1630 
1934 955 Triode, va... Acorn 5 pi... ROK Common typ... RCA (RCA V...
1631 
1936 956 Vacuum Pen... Acorn 5 pi... ZA Common typ... RCA (RCA V...
1632 
1933 958 Triode, va... Acorn 5 pi... ZA Common typ... RCA (RCA V...
1633 
1930 R2000 Half-Wave ... Edison, si... CDN Rectron Gm...
1634 
1930 R3000 Full-Wave ... Edison, si... CDN Rectron Gm...
1635 
1930 301 Ballast Tu... Edison, si... CDN Common typ...
1636 
1912 Triode_France Gas Triode Edison, si... F Métal; Fra...
1637 
1922 C-II_Ideezet Triode, va... Edison, si... Ideezet tu... Philips; E...
1638 
1906 Fleming_Oscillation SINGLE-DIO... Edison med... GB Fleming - ... Fleming - ...
1639 
1917 Holland Gas Triode Edison med... NL Holland (t... Holland (t...
1640 
1919 A_Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
1641 
1919 C-I_Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
1642 
1919 B_Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
1643 
1918 Ideezet Gas Triode Edison med... NL Ideezet tu... Philips; E...
1644 
1911 vonBronk_triode Triode, va... Edison med...
1645 
1919 A_Philips Gas Triode Edison med... Philips; E... Philips; E...
1646 
1919 B_Philips Gas Triode Edison med... Philips; E... Philips; E...
1647 
1919 C_Philips Gas Triode Edison med... Philips; E... Philips; E...
1648 
1922 C-I Gas Triode Edison med... Philips; E... Philips; E...
1649 
1920 LVB Gas Triode Edison med... Heussen, M...
1650 
1935 1878 Half-Wave ... Edison big... NL Common typ...
1651 
1911 Liebenröhre_Prototyp Gas Triode Edison big... A von Lieben...
1652 
1918 Gleichrichter_klein Gas Rectif... Edison big... D Telefunken...
1653 
1918 Gleichrichter_gross Full-Wave ... Edison big... D Telefunken...
1654 
1937 FEM Field Emis... Edison big... Leybold; D...
1655 
1924 U30 High-vacuu... British-7-... A MO Valve C...
1656 
1931 DPT Vacuum Pen... British-7-... A MO Valve C...
1657 
1933 DHD Double Dio... British-7-... A MO Valve C...
1658 
1937 TH4A Triode-Hep... British-7-... TW Mullard Ra...
1659 
1938 KTZ41 Vacuum Pen... British-7-... A MO Valve C...
1660 
1930 AC/Pen Vacuum Pen... British-7-... CH Mazda = Va...
1661 
1933 DP/Pen Vacuum Pen... British-7-... A Cossor, A....
1662 
1935 4D1_Brimar Triode, va... British-7-... Standard T...
1663 
1936 KF3_7pin Vacuum Pen... British-7-...
1664 
1937 AC/Q Beam Power... British-7-... Hivac Ltd....
1665 
1916 Q_Marconi Triode, va... Soffit Marconi's ...
1666 
1938 DAS1 Screen-gri... SPECIAL TU... A Mullard Ra...
1667 
1929 Four-In-One Quad Triode SPECIAL TU... Quadruple ... Quadruple ...
1668 
1919 215A Triode, va... SPECIAL TU... ROK Western El... Western El...
1669 
1929 GL3e Full-Wave ... SPECIAL TU... CDN Siemens; D...
1670 
1928 RV2300 Transmitti... SPECIAL TU... CDN Telefunken...
1671 
1928 RV2500 Transmitti... SPECIAL TU... CDN Telefunken...
1672 
1925 1018 Half-Wave ... SPECIAL TU... NL Philips; E... Philips; E...
1673 
1932 LK7110 Triode, va... SPECIAL TU... CDN Valvo Radi...
1674 
1948 EY51 Half-Wave ... SPECIAL TU... NL Philips; E...
1675 
1927 NZ420 Double Tri... SPECIAL TU... CDN Valvo Radi...
1676 
1928 RV230 Transmitti... SPECIAL TU... CDN Telefunken...
1677 
1927 VT139_TKD Triple Tri... SPECIAL TU... D TeKaDe (TK...
1678 
1927 S625 Screen-gri... SPECIAL TU... A MO Valve C... MO Valve C...
1679 
1923 4215A Triode, va... SPECIAL TU... A Standard T...
1680 
1925 RE202 TRIODE (De... SPECIAL TU... CDN Telefunken...
1681 
1939 VT-128 HEPTODE SPECIAL TU... CDN Common typ...
1682 
1928 HZ420 Double Tri... SPECIAL TU... CDN Valvo Radi...
1683 
1928 LK4130 Triode, va... SPECIAL TU... CDN Valvo Radi...
1684 
1928 REZ147 Double Tri... SPECIAL TU... CDN Telefunken...
1685 
1920 RS5 Transmitti... SPECIAL TU... CDN Telefunken...
1686 
1939 VT-127A Transmitti... SPECIAL TU... ROK Common typ...
1687 
1939 1630 HEXODE SPECIAL TU... ROK RCA (RCA V... RCA (RCA V...
1688 
1929 GL6e Full-Wave ... SPECIAL TU... CDN Siemens; D...
1689 
1943 1B24 TR-switch SPECIAL TU... ROK Common typ... Westinghou...
1690 
1928 REZ126 Double Tri... SPECIAL TU... CDN Telefunken...
1691 
1926 Radion X-ray tube SPECIAL TU... Phönix Rön... Phönix Rön...
1692 
1935 NH1 HEXODE SPECIAL TU... Telefunken... Telefunken...
1693 
1919 CW1344 Triode, va... SPECIAL TU... Western El... Western El...
1694 
1919 CW-1344 Triode, va... SPECIAL TU... Common typ... Western El...
1695 
1917 RS15_Huth Transmitti... SPECIAL TU... Huth, Sign... Huth, Sign...
1696 
1913 Liebenröhre_S&Hgross Gas Triode SPECIAL TU... D Siemens; D...
1697 
1944 P2d Vacuum Pen... SPECIAL TU... BBC - Brow...
1698 
1950 EL152 Transmitti... SPECIAL TU... Telefunken...
1699 
1916 V24 Triode, va... SPECIAL TU... Marconi's ... Ediswan, S...
1700 
1920 RAC3 Triode, va... SPECIAL TU... Radio Audi... Radio Lamp...
1701 
1927 Polytron-4fach Quad Triode SPECIAL TU... D Spanner Gm... Spanner Gm...
1702 
1936 RS291 Transmitti... SPECIAL TU... Telefunken...
1703 
1920 1D Transmitti... SPECIAL TU... DeForest-T...
1704 
1920 1J Transmitti... SPECIAL TU... DeForest-T... DeForest-T...
1705 
1920 1K Transmitti... SPECIAL TU... DeForest-T... DeForest-T...
1706 
1920 1G Transmitti... SPECIAL TU... DeForest-T... DeForest-T...
1707 
1925 230D Triode, va... SPECIAL TU... Western El...
1708 
1926 Multivalve Triple Tri... SPECIAL TU... Emerson Ra... Cleartron ...
1709 
1923 Sodion_S13 Gas Triode SPECIAL TU... Connecticu...
1710 
1920 FE1_MO Screen-gri... SPECIAL TU... Marconi's ...
1711 
1969 ZM1200-Pandicon Numerals- ... SPECIAL TU... Valvo Radi... Philips; E...
1712 
1941 708A Triode, va... SPECIAL TU... Western El... Western El...
1713 
1965 ЛН12 Potentialo... SPECIAL TU... Common typ...
1714 
1922 X-ray_Philips X-ray tube SPECIAL TU... Philips; E... Philips; E...
1715 
1915 Sch86 Screen-gri... SPECIAL TU... Siemens; D...
1716 
1917 CF-185 Triode, va... SPECIAL TU... DeForest-T... DeForest-T...
1717 
1918 CG-886 Triode, va... SPECIAL TU... General El... General El...
1718 
1917 CW-186 Triode, va... SPECIAL TU... Western El...
1719 
1925 K4_Thorpe Space Char... SPECIAL TU...
1720 
1926 PO Transmitti... SPECIAL TU... DeForest-T... DeForest-T...
1721 
1926 PR High-vacuu... SPECIAL TU... DeForest-T... DeForest-T...
1722 
1913 Round_Type-C Gas Triode Swan-Bayon...
1723 
1927 2504 Half-Wave ... Swan-Bajon... NL Philips; E...
1724 
1916 Bontsch-Brujewitsch Gas Triode Swan-Bajon... Tversk Sta... Tversk Sta...
1725 
1916 White-valve Triode, va... Swan-Bajon...
1726 
1938 AZ32 Full-Wave ... Octal-8 GB... GB Common typ... Mullard Wi...
1727 
1947 EW60 Half-Wave ... Loctal-9-P... NL Philips; E...
1728 
1947 EL60 Vacuum Pen... Loctal-9-P... NL Philips; E...
1729 
1939 EF50 Vacuum Pen... Loctal-9-P... NL Common typ... Philips; E...
1730 
1939 EE50 Secondary ... Loctal-9-P... NL Common typ... Philips; E...
1731 
1947 EFP60 Secondary ... Loctal-9-P... NL Philips; E...
1732 
1941 EF53 Vacuum Pen... Loctal-9-P... NL Philips; E... Philips; E...
1733 
1941 EFF50 Double Pen... Loctal-9-P... NL Philips; E... Philips; E...
1734 
1941 EFF51 Double Pen... Loctal-9-P... NL Philips; E... Philips; E...
1735 
1925 K_Schott Triode, va... Telefunken... Schott und... Schott und...
1736 
1917 M_Schott TRIODE (De... Telefunken... D Schott und... Schott und...
1737 
1912 Liebenröhre_Telefunk Gas Triode Telefunken... D AEG (Radio...
1738 
1912 Liebenröhre_AEGgross Gas Triode Telefunken... D AEG (Radio...
1739 
1914 EVE173 Triode, va... Telefunken... D Telefunken...
1740 
1924 RE72 Triode, va... Telefunken... CDN Telefunken...
1741 
1912 Liebenröhre Gas Triode Telefunken...
1742 
1920 RS4_Telefunken Transmitti... Telefunken... CDN Telefunken...
1743 
1924 RE87 Space Char... Telefunken... CDN Telefunken...
1744 
1928 U409D_5pin Space Char... Europe "B5... Valvo Radi...
1745 
1925 Micro-Bigril_R43 Dual-Grid ... Europe "B5... La Radiote... Dario (tub...
1746 
1925 Bigrille-Ampli Space Char... Europe "B5... CH Grammont (...
1747 
1929 RS4141 Dual-Grid ... Europe "B5... CH Visseaux /...
1748 
1927 R643 Dual-Grid ... Europe "B5... Dario (tub...
1749 
1925 Micro-Bigril Dual-Grid ... Europe "B5... La Radiote... Dario (tub...
1750 
1925 R43 Dual-Grid ... Europe "B5... CH La Radiote...
1751 
1934 QP240 Double Pen... B9 British... ZA Common typ...
1752 
1938 4051 Oscillosco... B9 British... Osram-Valv...
1753 
1916 A_Messerkontakt Triode, va... Blade cont... D Siemens; D... Siemens; D...
1754 
1917 Mc Triode, va... Blade cont... D Siemens; D...
1755 
1915 Messerkontaktröhre TRIODE (De... Blade cont... D UNBEKANNTE...
1756 
1964 DY51 Half-Wave ... Subminiatu... EU Common typ... Philips; E...
1757 
1952 DM70 Mag. Strip... Subminiatu... EU Common typ... Philips; E...
1758 
1953 DM71 Mag. Strip... Subminiatu... EU Common typ... Philips; E...
1759 
1957 DL73 Vacuum Pen... Subminiatu... Mullard Ra...
1760 
1924 RE82 Space Char... EU-Telepho... CDN Telefunken...
1761 
1927 RE1 Space Char... EU-Telepho... CDN Telefunken...
1762 
1935 AC100 Triode, va... EU-Telepho... D Telefunken...
1763 
1939 AD100 Triode, va... EU-Telepho... D Telefunken...
1764 
1935 AC102 Triode, va... EU-Telepho... Telefunken...
1765 
1958 RH7C Triode, va... COAXIAL in... Siemens; D... Siemens; D...
1766 
1924 RE84 Triode, va... Telefunken... CDN Telefunken... Siemens; D...
1767 
1925 LV0,27/90 Triode, va... Telefunken... Lorenz; Be...
1768 
1924 RE97 Triode, va... Telefunken... CDN Telefunken...
1769 
1918 RE11 Triode, va... Telefunken... CDN Telefunken...
1770 
1926 RE064t Triode, va... Telefunken... CDN Telefunken...
1771 
1927 <