Extrait de la collection de lampes / semi-conducteurs de Roy Johnson. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Roy Johnson.
| GDT4B |
|
| Cossor, A.C.; London |
GB |
|
| GJ5M |
|
| BTH (B.T.H.), British Thomso... |
GB |
|
| GL6897 |
|
| General Electric Co. (GE); B... |
USA |
|
| GNP-7 |
|
| Standard Telephones and Cabl... |
GB |
|
| GPR4 |
|
| PR (P.R.) Valves, P.R. Produ... |
GB |
|
| GS10D |
|
| Ericsson Telephones / Britis... |
GB |
|
| GT1B |
|
| Marconi-Osram - (Valves/Tube... |
GB |
|
| GT1C |
|
| Marconi-Osram - (Valves/Tube... |
GB |
|
| GU50 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| GXU6 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| GZ37 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| HF_Cossor |
|
| Cossor, A.C.; London |
GB |
|
| HL4+ |
|
| Tungsram (Tube Brand), Tungs... |
GB |
|
| HL13C |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| HL13_Mullard |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| HL210 |
1928 |
| Common type Great Britain tu... |
GB |
|
| HLT2/0,5a |
|
| Siemens (& Halske, -Schucker... |
D |
|
| HT4 |
1929 |
| Westinghouse El. & Mfg. Co. ... |
USA |
|
| K30G |
|
| Ever Ready Co. (GB) Ltd.; Lo... |
GB |
|
| K50N |
|
| Ever Ready Co. (GB) Ltd.; Lo... |
GB |
|
| KK32 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| KT2 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| KT44 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| KT67 |
|
| GEC, General Electric Co Ltd... |
GB |
|
| KT74 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| KT101 |
|
| Marconi-Osram - (Valves/Tube... |
GB |
|
| KTZ63 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| L100/1G |
|
| Standard Telephones and Cabl... |
GB |
|
| LB8 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| LB13/40 |
|
| Telefunken Deutschland (TFK)... |
D |
|
