Extrait de la collection de lampes / semi-conducteurs de Alexander Hofer. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Alexander Hofer.
| 295 |
1932 |
| Speed, Cable Radio Tube Corp... |
USA |
|
| 300B |
|
| Western Electric Company Inc... |
USA |
|
| 352A_WE |
|
| Western Electric Company Inc... |
USA |
|
| 354_Philips |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 357A |
|
| Western Electric Company Inc... |
USA |
|
| 371B |
|
| Common type USA tube/semicond. |
USA |
|
| 386A_WE |
|
| Western Electric Company Inc... |
USA |
|
| 401_McCullough |
1926 |
| Common type USA tube/semicond. |
USA |
|
| 450TL |
|
| Common type USA tube/semicond. |
USA |
|
| 481B |
|
| Sylvania (Hygrade, GTE, Nilc... |
USA |
|
| 559 |
|
| General Electric Co. (GE); B... |
USA |
|
| 575A |
|
| Common type USA tube/semicond. |
USA |
|
| 579B |
|
| Common type USA tube/semicond. |
USA |
|
| 596 |
|
| United Electronics Co.; Newa... |
USA |
|
| 703A |
|
| Western Electric Company Inc... |
USA |
|
| 705A |
|
| Common type USA tube/semicond. |
USA |
|
| 705WA |
|
| United Electronics Co.; Newa... |
USA |
|
| 713A |
|
| Common type USA tube/semicond. |
USA |
|
| 714AY |
|
| Western Electric Company Inc... |
USA |
|
| 803 |
|
| Common type USA tube/semicond. |
USA |
|
| 805 |
|
| Common type USA tube/semicond. |
USA |
|
| 808 |
|
| Common type USA tube/semicond. |
USA |
|
| 810 |
|
| Common type USA tube/semicond. |
USA |
|
| 812A |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 813 |
|
| Common type USA tube/semicond. |
USA |
|
| 814 |
|
| Common type USA tube/semicond. |
USA |
|
| 826 |
|
| Common type USA tube/semicond. |
USA |
|
| 829B |
|
| Common type USA tube/semicond. |
USA |
|
| 833A |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 836 |
|
| Common type USA tube/semicond. |
USA |
|
