Extrait de la collection de lampes / semi-conducteurs de Bekir Yurdakul. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Bekir Yurdakul.
| A409 |
1925 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 506 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 80 |
1927 |
| Common type USA tube/semicond. |
USA |
|
| C443 |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| E415 |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| E442 |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 1561 |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| A4110 |
1929 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| E443 |
1929 |
| Philips; Eindhoven (tubes in... |
NL |
|
| REN904 |
1929 |
| Telefunken Deutschland (TFK)... |
D |
|
| 24 |
1929 |
| Common type USA tube/semicond. |
USA |
|
| U10 |
1930 |
| MO Valve Co. Ltd.; GB |
GB |
|
| E452T |
1931 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 35 |
1931 |
| Common type USA tube/semicond. |
USA |
|
| 47 |
1931 |
| Common type USA tube/semicond. |
USA |
|
| 57 |
1931 |
| Common type USA tube/semicond. |
USA |
|
| 58 |
1931 |
| Common type USA tube/semicond. |
USA |
|
| E453 |
1932 |
| Philips; Eindhoven (tubes in... |
NL |
|
| E455 |
1932 |
| Philips; Eindhoven (tubes in... |
NL |
|
| E499 |
1932 ? |
| Philips; Eindhoven (tubes in... |
NL |
|
| H4111D |
1932 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| 2A5 |
1932 |
| Common type USA tube/semicond. |
USA |
|
| 42 |
1932 |
| Common type USA tube/semicond. |
USA |
|
| DW7 |
1932 |
| Mazda (tubes), Mazda-Belvu, ... |
F |
|
| 43 |
1932 |
| Common type USA tube/semicond. |
USA |
|
| AB1 |
1933 |
| Common type Europe tube/semi... |
EU |
|
| E443H |
1933 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 2A7 |
1933 |
| Common type USA tube/semicond. |
USA |
|
| 6A7 |
1933 |
| Common type USA tube/semicond. |
USA |
|
| 6B7 |
1933 |
| Common type USA tube/semicond. |
USA |
|
