Extrait de la collection de lampes / semi-conducteurs de Trev Levick. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Trev Levick.
| U409D |
1928 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| RL12P10 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| PL1607 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| PE05/25 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| LK4110 |
1930 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| LK4100 |
1928 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| L2318D |
1931 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| L416D |
1930 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| L413 |
1928 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| L160 |
1928 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| G2504 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| G1404 |
1936 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| G425 |
1930 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| EL6spez |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| EF732 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| 6977 |
|
| USA - Tubes designated in th... |
USA |
|
| V430 |
|
| Tungsram; Budapest (see also... |
H |
|
| TCBC1 |
|
| Tungsram; Budapest (see also... |
H |
|
| TAK2 |
|
| Tungsram; Budapest (see also... |
H |
|
| PP430 |
1929 |
| Tungsram; Budapest (see also... |
H |
|
| HR406 |
|
| Tungsram; Budapest (see also... |
H |
|
| DLL22T |
|
| Tungsram; Budapest (see also... |
H |
|
| AS4120 |
|
| Tungsram; Budapest (see also... |
H |
|
| E425_Triotron |
1930 |
| Triotron (tubes) = Brand of ... |
A |
|
| ZZ1030 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| VF7 |
1937 |
| Telefunken Deutschland (TFK)... |
D |
|
| UEL11 |
1949 |
| Telefunken Deutschland (TFK)... |
D |
|
| STV500/0,1 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| RV278 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| RV239 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
