Extrait de la collection de lampes / semi-conducteurs de Otto Frosinn. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Otto Frosinn.
| WE215A |
|
| Western Electric Company Inc... |
USA |
|
| X199 |
|
| Common type USA tube/semicond. |
USA |
|
| YU204 |
|
| Amperex; New York |
USA |
|
| 0C3W |
|
| Common type USA tube/semicond. |
USA |
|
| 01A |
1925 |
| Common type USA tube/semicond. |
USA |
|
| 1A |
|
| Common type USA tube/semicond. |
USA |
|
| 1A5GT |
|
| Common type USA tube/semicond. |
USA |
|
| 1G4GT |
|
| Common type USA tube/semicond. |
USA |
|
| 1Q5GT |
|
| Common type USA tube/semicond. |
USA |
|
| 1T4 |
1940 |
| Common type USA tube/semicond. |
USA |
|
| 2A4G |
|
| Philco, Philadelphia Stg. Ba... |
USA |
|
| 2C36 |
|
| Sylvania (Hygrade, GTE, Nilc... |
USA |
|
| 2C39A |
|
| Common type USA tube/semicond. |
USA |
|
| 2C40 |
|
| Common type USA tube/semicond. |
USA |
|
| 2C43 |
|
| Common type USA tube/semicond. |
USA |
|
| 2CW4 |
|
| Common type USA tube/semicond. |
USA |
|
| 2DV4 |
|
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| 2E22 |
|
| Common type USA tube/semicond. |
USA |
|
| 2G21 |
|
| Common type USA tube/semicond. |
USA |
|
| 2K41 |
|
| Sperry Tube Div. of Sperry R... |
USA |
|
| 3B4 |
|
| Common type USA tube/semicond. |
USA |
|
| 3B4WA |
|
| Common type USA tube/semicond. |
USA |
|
| 3E29 |
|
| Common type USA tube/semicond. |
USA |
|
| 4CX300A |
|
| Eimac (brand name) |
USA |
|
| 4D22 |
|
| Common type USA tube/semicond. |
USA |
|
| 4D32 |
|
| Common type USA tube/semicond. |
USA |
|
| 4X150A |
|
| Common type USA tube/semicond. |
USA |
|
| 4X150G |
|
| Eimac (brand name) |
USA |
|
| 4X250B |
|
| Eimac (brand name) |
USA |
|
| 5R4GYA |
|
| Common type USA tube/semicond. |
USA |
|
