Extrait de la collection de lampes / semi-conducteurs de Fin Stewart. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Fin Stewart.
| 202 |
|
| Common type USA tube/semicond. |
USA |
|
| 222 |
1927 |
| Common type USA tube/semicond. |
USA |
|
| 224A |
|
| Common type USA tube/semicond. |
USA |
|
| 227 |
1927 |
| Common type USA tube/semicond. |
USA |
|
| 247 |
|
| Common type USA tube/semicond. |
USA |
|
| 249B |
|
| Common type USA tube/semicond. |
USA |
|
| 262B |
|
| Western Electric Company Inc... |
USA |
|
| 280 |
1927 |
| Common type USA tube/semicond. |
USA |
|
| 291_lamp |
|
| Common type USA tube/semicond. |
USA |
|
| 308 |
|
| Tung-Sol Electric Inc.; Newa... |
USA |
|
| 313_lamp |
|
| Common type USA tube/semicond. |
USA |
|
| 313CA |
|
| Western Electric Company Inc... |
USA |
|
| 401_McCullough |
1926 |
| Common type USA tube/semicond. |
USA |
|
|
| 501_Sovereign |
1928 |
| Sovereign Electric & Mfg. Co... |
USA |
|
| 526 |
|
| USA - Tubes designated in th... |
USA |
|
| 551 |
1931 |
| Common type USA tube/semicond. |
USA |
|
| 813 |
|
| Common type USA tube/semicond. |
USA |
|
| 828 |
|
| Common type USA tube/semicond. |
USA |
|
| 866 |
|
| Common type USA tube/semicond. |
USA |
|
| 866Jr |
|
| Taylor Tubes Inc.; Chicago (... |
USA |
|
| 885 |
|
| Common type USA tube/semicond. |
USA |
|
| 913 |
|
| Common type USA tube/semicond. |
USA |
|
| 924 |
|
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| 950 |
|
| Common type USA tube/semicond. |
USA |
|
| 2101 |
|
| Common type USA tube/semicond. |
USA |
|
| 3000X1-A |
|
| Electrical Research Laborato... |
USA |
|
| 4631_WLS |
|
| WLS (tubes), World's Largest... |
USA |
|
| 206501 |
|
| General Electric Co. (GE); B... |
USA |
|
| EF50 |
1939 |
| Common type Worldwide tube/s... |
ZZ |
|
