Extrait de la collection de lampes / semi-conducteurs de Oskar Elm. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Oskar Elm.
| 452 |
1926 |
| Philips; Eindhoven (tubes in... |
NL |
|
| B442 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| VT-132 |
1927 |
| Common type USA tube/semicond. |
USA |
|
| 1904 |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| REN904 |
1929 |
| Telefunken Deutschland (TFK)... |
D |
|
| RGN354 |
1929 |
| Telefunken Deutschland (TFK)... |
D |
|
| H407spez |
1929 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| LK4110 |
1930 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| RENS1264 |
1931 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1284 |
1932 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1374d |
1932 |
| Telefunken Deutschland (TFK)... |
D |
|
| 1805 |
1932 |
| Philips; Eindhoven (tubes in... |
NL |
|
| ACH1 |
1933 |
| Common type Europe tube/semi... |
EU |
|
| 6A7 |
1933 |
| Common type USA tube/semicond. |
USA |
|
| 958 |
1933 |
| Common type Worldwide tube/s... |
ZZ |
|
| 25Z5 |
1933 |
| Common type Worldwide tube/s... |
ZZ |
|
| AB2 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| ABC1 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| AF3 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| AF7 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| C2 |
1934 |
| Philips; Eindhoven (tubes in... |
NL |
|
| KC1_4pin |
1934 |
| Common type Europe tube/semi... |
EU |
|
| CK1 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| CY1 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| AZ1 |
1935 |
| Common type Europe tube/semi... |
EU |
|
| AL2 |
1935 |
| Philips; Eindhoven (tubes in... |
NL |
|
| CF3 |
1935 |
| Common type Europe tube/semi... |
EU |
|
| VY1 |
1935 |
| Common type Europe tube/semi... |
EU |
|
| 6K7MG |
1935 |
| Common type Worldwide tube/s... |
ZZ |
|
| 6H6 |
1935 |
| Common type Worldwide tube/s... |
ZZ |
|
