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 |
|