Extrait de la collection de lampes / semi-conducteurs de Peter Pfeiffer. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Peter Pfeiffer.
| UV199 |
1922 |
| Common type Worldwide tube/s... |
ZZ |
|
| UV201A |
1922 |
| General Electric for Brand R... |
USA |
|
| B406 |
1924 |
| Philips; Eindhoven (tubes in... |
NL |
|
| A409 |
1925 |
| Philips; Eindhoven (tubes in... |
NL |
|
| BH |
1925 |
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| PM4 |
1925 |
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| WX12 |
1925 |
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| 1018 |
1925 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 99 |
1925 |
| Common type USA tube/semicond. |
USA |
|
| H406 |
1926 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| PM2 |
1926 |
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| RE034 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE054 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE062 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE064 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE074 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE134 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE154 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| REN1104 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| 401_McCullough |
1926 |
| Common type USA tube/semicond. |
USA |
|
| 452 |
1926 |
| Philips; Eindhoven (tubes in... |
NL |
|
| G_CeCo |
1926 |
| CeCo (tubes), C.E. Mfg. Co. ... |
USA |
|
| RGN1503 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| B442 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| D143 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| L410 |
1927 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| L414 |
1927 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| R44 |
1927 |
| Rectron GmbH; Berlin |
D |
|
| RE084 |
1927 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE124 |
1927 |
| Telefunken Deutschland (TFK)... |
D |
|
