Extrait de la collection de lampes / semi-conducteurs de Hartmut Völler. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Hartmut Völler.
| 506 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 1561 |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 1801 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 1805 |
1932 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 1810 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 1815 |
1933 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 1876 |
1935 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 1883 |
1938 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 2506 |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 4673 |
1936 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 18046 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| Dn2004 |
|
| Radio-Record - Röhrenmarke; ... |
NL |
|
| M300 |
1927 |
| Radio-Record - Röhrenmarke; ... |
NL |
|
| R24_RadioRecord |
|
| Radio-Record - Röhrenmarke; ... |
NL |
|
| OeconomH |
|
| Radioröhrenfabrik GmbH (RRF)... |
D |
|
| OeconomN |
|
| Radioröhrenfabrik GmbH (RRF)... |
D |
|
| WD12 |
1923 |
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| R44 |
1927 |
| Rectron GmbH; Berlin |
D |
|
| R220 |
1927 |
| Rectron GmbH; Berlin |
D |
|
| EL12N |
|
| Röhrenwerk Mühlhausen, VEB (... |
D |
|
| R80_Schaub |
|
| Schaub und Schaub-Lorenz |
D |
|
| EG200 |
1929 |
| Seibt, Dr. Georg (Nachf.); B... |
D |
|
| VG230 |
|
| Seibt, Dr. Georg (Nachf.); B... |
D |
|
| VG240 |
|
| Seibt, Dr. Georg (Nachf.); B... |
D |
|
| Gl.1,5* |
|
| Siemens (& Halske, -Schucker... |
D |
|
| SX201A |
1925 |
| Sylvania (Hygrade, GTE, Nilc... |
USA |
|
| VT126_TKD |
|
| TeKaDe (TKD), Süddeutsche Te... |
D |
|
| 4G200 |
|
| TeKaDe (TKD), Süddeutsche Te... |
D |
|
| 4K60 |
1930 |
| TeKaDe (TKD), Süddeutsche Te... |
D |
|
| 1284_TKD |
|
| TeKaDe (TKD), Süddeutsche Te... |
D |
|
