Extrait de la collection de lampes / semi-conducteurs de Roy Johnson. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Roy Johnson.
| SC5/5000 |
|
| GEC, General Electric Co Ltd... |
GB |
|
| SD4_Mullard |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| SG20 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| SP13 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| SP230 |
|
| Tungsram; Budapest (see also... |
H |
|
| StentorTwo |
|
| Cossor, A.C.; London |
GB |
|
| T250_MO |
1922 |
| MO Valve Co. Ltd.; GB |
GB |
|
|
| TF313_p8 |
|
| Dario (tubes) - voir aussi L... |
F |
|
| TQ1/2 |
|
| BBC - Brown Boveri; Baden |
CH |
|
| TT11 |
|
| GEC, General Electric Co Ltd... |
GB |
|
| Tuneon-Button |
|
| GEC, General Electric Co Ltd... |
GB |
|
| TV4 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| U12 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| U149 |
|
| Marconi-Osram - (Valves/Tube... |
GB |
|
| U650 |
|
| Lissen Ltd.; London and Rich... |
GB |
|
| UR3C |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| UY227 |
1927 |
| Common type USA tube/semicond. |
USA |
|
| V503 |
|
| Mazda = Valve (Tube) brand G... |
GB |
|
| V914 |
|
| Mazda = Valve (Tube) brand G... |
GB |
|
| VDSB |
1933 |
| Marconi-Osram - (Valves/Tube... |
GB |
|
| VGT128 |
|
| Common type Great Britain tu... |
GB |
|
| VHFP/13L |
|
| Radio-Record - Röhrenmarke; ... |
NL |
|
| VP4 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| VP13A |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| VP20 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
|
| VPU1 |
|
| Ekco, E.K.Cole Ltd.; Southen... |
GB |
|
| VR18 |
|
| Common type Great Britain tu... |
GB |
|
| VR21 |
|
| Common type Great Britain tu... |
GB |
|
