Extrait de la collection de lampes / semi-conducteurs de Karlheinz Fischer. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Karlheinz Fischer.
| 215A |
1919 |
| Western Electric Company Inc... |
USA |
|
| UV200 |
1920 |
| General Electric for Brand R... |
USA |
|
| WD11 |
1922 |
| Westinghouse for Brand RCA-R... |
USA |
|
| 216A |
1922 |
| Western Electric Company Inc... |
USA |
|
| UV199 |
1922 |
| Common type Worldwide tube/s... |
ZZ |
|
| UV201A |
1922 |
| General Electric for Brand R... |
USA |
|
| WD12 |
1923 |
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| LA75 |
1924 |
| Loewe-(Opta); Deutschland |
D |
|
| RE71 |
1924 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE79 |
1924 |
| Telefunken Deutschland (TFK)... |
D |
|
| 205D |
1924 |
| Western Electric Company Inc... |
USA |
|
| BH |
1925 |
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| SX201A |
1925 |
| Sylvania (Hygrade, GTE, Nilc... |
USA |
|
| UX200 |
1925 |
| Common type USA tube/semicond. |
USA |
|
| VT107_TKD |
1925 |
| TeKaDe (TKD), Süddeutsche Te... |
D |
|
| WX12 |
1925 |
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| 10 |
1925 |
| Common type USA tube/semicond. |
USA |
|
| UX199 |
1925 |
| General Electric for Brand R... |
USA |
|
| CX301A |
1925 |
| Cunningham Inc., E.T.; Harr... |
USA |
|
| UX201A |
1925 |
| Common type USA tube/semicond. |
USA |
|
| 201A |
1925 |
| Common type USA tube/semicond. |
USA |
|
| RE054 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE064 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| SV10 |
1926 ?? |
| Triotron (tubes) = Brand of ... |
A |
|
| UX171A |
1926 |
| Common type USA tube/semicond. |
USA |
|
| 401_McCullough |
1926 |
| Common type USA tube/semicond. |
USA |
|
| 71A |
1926 |
| Common type USA tube/semicond. |
USA |
|
| L414 |
1927 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| REN1004 |
1927 |
| Telefunken Deutschland (TFK)... |
D |
|
| 26 |
1927 |
| Common type USA tube/semicond. |
USA |
|
