Extrait de la collection de lampes / semi-conducteurs de Ernst Röggla. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Ernst Röggla.
|
| 328A |
1937 |
| Western Electric Company Inc... |
USA |
|
| SRS552N |
|
| Werk für Fernmeldewesen (OSW... |
D |
|
| H4111D |
1932 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| PV200/600 |
|
| Tungsram; Budapest (see also... |
H |
|
| AS4125 |
|
| Tungsram; Budapest (see also... |
H |
|
| 5-442 |
|
| Thermion; Lent (Nijmegen) |
NL |
|
| VF7 |
1937 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1264 |
1931 |
| Telefunken Deutschland (TFK)... |
D |
|
| REN904 |
1929 |
| Telefunken Deutschland (TFK)... |
D |
|
| AZ12 |
1938 |
| Telefunken Deutschland (TFK)... |
D |
|
| P43 |
|
| Sator (brand of Tungsram for... |
H |
|
| GL4/1 |
|
| Sator (brand of Tungsram for... |
H |
|
| 4609 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 1876 |
1935 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 1805 |
1932 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 1803 |
1931 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 506 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| EBL21 |
1941 |
| Philips; Eindhoven (tubes in... |
NL |
|
| E499 |
1932 ? |
| Philips; Eindhoven (tubes in... |
NL |
|
| E462 |
1929 |
| Philips; Eindhoven (tubes in... |
NL |
|
| E455 |
1932 |
| Philips; Eindhoven (tubes in... |
NL |
|
| E452T |
1931 |
| Philips; Eindhoven (tubes in... |
NL |
|
| E443H |
1933 |
| Philips; Eindhoven (tubes in... |
NL |
|
| E438 |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| E424 |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| C443 |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| B443 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| B438 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| A415 |
1925 |
| Philips; Eindhoven (tubes in... |
NL |
|
