Extrait de la collection de lampes / semi-conducteurs de Robert Gillespie. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Robert Gillespie.
| WT501-gridless-triode |
1923 |
| Welsh Electric Lamp Corp, Ne... |
USA |
|
| Wunderlich |
1932 |
| Arcturus Radio Tube Co.; New... |
USA |
|
| WunderlichA-Auto |
1932 |
| Arcturus Radio Tube Co.; New... |
USA |
|
| WX-3506 |
|
| Westinghouse El. & Mfg. Co. ... |
USA |
|
| X21_Eimac |
|
| Eimac (brand name) |
USA |
|
| X61M |
1939 |
| Marconi-Osram - (Valves/Tube... |
GB |
|
| X99 |
|
| Common type USA tube/semicond. |
USA |
|
| X101 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| X102G |
|
| Federal Radio Corp. / Federa... |
USA |
|
| X112 |
|
| Common type USA tube/semicond. |
USA |
|
| X112A |
|
| Common type USA tube/semicond. |
USA |
|
| X-201A |
|
| Common type USA tube/semicond. |
USA |
|
| X-210 |
|
| Common type USA tube/semicond. |
USA |
|
| X240 |
|
| Champion Radio Works; Danver... |
USA |
|
| X281 |
|
| Common type USA tube/semicond. |
USA |
|
| X866 |
|
| Van Dyke Laboratories; Newar... |
USA |
|
| XFR3 |
|
| HIVAC (Brand), High Vacuum V... |
GB |
|
| XH1.5 |
|
| HIVAC (Brand), High Vacuum V... |
GB |
|
| XL |
|
| HIVAC (Brand), High Vacuum V... |
GB |
|
| XSG |
|
| HIVAC (Brand), High Vacuum V... |
GB |
|
| Xtraudion |
|
| Economic Electric; London |
GB |
|
| XXL |
|
| Common type USA tube/semicond. |
USA |
|
| XXP640 |
|
| Cossor, A.C.; London |
GB |
|
| XY |
|
| HIVAC (Brand), High Vacuum V... |
GB |
|
| Y-247 |
|
| Gold Seal Electrical Co., In... |
USA |
|
| Y-688 |
|
| Eimac (brand name) |
USA |
|
| Y-1266 |
|
| General Electric Co. (GE); B... |
USA |
|
| Z-45 |
|
| Zenith (tubes), Duratron Rad... |
USA |
|
| Z-47 |
|
| Zenith (tubes), Duratron Rad... |
USA |
|
| Z50 |
|
| Schickerling Products Manufa... |
USA |
|
