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.
| XL1.5 |
|
| HIVAC (Brand), High Vacuum V... |
GB |
|
| XN3 |
|
| HIVAC (Brand), High Vacuum V... |
GB |
|
| XP1.5 |
|
| HIVAC (Brand), High Vacuum V... |
GB |
|
| XSG |
|
| HIVAC (Brand), High Vacuum V... |
GB |
|
| Z309 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| Z503M |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| Z8191 |
|
| Marconi-Osram - (Valves/Tube... |
GB |
|
| ZA5611 |
|
| Cossor, A.C.; London |
GB |
|
|
| 0A3A |
|
| Common type USA tube/semicond. |
USA |
|
| 0B2WA |
|
| Common type USA tube/semicond. |
USA |
|
| 1C5GT |
|
| Common type USA tube/semicond. |
USA |
|
| 1D8GT |
|
| Common type USA tube/semicond. |
USA |
|
| 2C34 |
|
| Common type USA tube/semicond. |
USA |
|
| 2D2 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| 2D4A |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| 2D21W |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 2D41 |
|
| Ekco, E.K.Cole Ltd.; Southen... |
GB |
|
| 2K33 |
|
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| 2V/531E |
|
| Standard Telephones and Cabl... |
GB |
|
| 3A/110A |
|
| Standard Telephones and Cabl... |
AUS |
|
| 3DP1 |
|
| Common type USA tube/semicond. |
USA |
|
| 4THA |
|
| Cossor, A.C.; London |
GB |
|
| 4TSP |
|
| Cossor, A.C.; London |
GB |
|
| 5U4G |
1936 |
| Common type Worldwide tube/s... |
ZZ |
|
|
| 6AQ4 |
|
| Common type Worldwide tube/s... |
ZZ |
|
|
|
| 7A3 |
|
| Standard Telephones and Cabl... |
GB |
|
