Extrait de la collection de lampes / semi-conducteurs de Robert Gillespie. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Robert Gillespie.
| MR805 |
|
| EMKO A/S; København |
DK |
|
| MS30 |
|
| Radioröhrenfabrik GmbH (RRF)... |
D |
|
| MSI |
1918 |
| CHF Müller (Röntgen-Müller);... |
D |
|
| MSIV |
|
| Radioröhrenfabrik GmbH (RRF)... |
D |
|
| MT3F |
1919 ?? |
| Ediswan, Siemens Edison Swan... |
GB |
|
| MT5 |
|
| Marconi-Osram - (Valves/Tube... |
GB |
|
| MU6 |
|
| Daven Radio Co. ; Newark (NJ) |
USA |
|
| MU20 |
|
| Daven Radio Co. ; Newark (NJ) |
USA |
|
| MU20_UV |
|
| Daven Radio Co. ; Newark (NJ) |
USA |
|
| Multivalve |
1926 |
| Emerson Radval Co.; New York... |
USA |
|
| MX199 |
|
| Marathon (tubes), Northern M... |
USA |
|
| MX245 |
|
| Common type USA tube/semicond. |
USA |
|
| MX280 |
|
| Gecovalve (Geco) = Brand of ... |
GB |
|
| N_Tela |
|
| Téla (marque), Télaradio; Mo... |
F |
|
| N27 |
|
| CeCo (tubes), C.E. Mfg. Co. ... |
USA |
|
| Neuvron-C |
1922 ?? |
| Métal; France (tubes) |
F |
|
| nobee |
|
| Unitron-No-Bee, Forest Elect... |
USA |
|
| NR14 |
|
| Marconi-Osram - (Valves/Tube... |
GB |
|
| NR41_EN |
|
| Common type Great Britain tu... |
GB |
|
| NU-01AA |
|
| National Union Radio Corp.; ... |
USA |
|
| NU-36 |
|
| National Union Radio Corp.; ... |
USA |
|
| NU-49 |
|
| National Union Radio Corp.; ... |
USA |
|
| NU-85 |
|
| National Union Radio Corp.; ... |
USA |
|
| NU-89 |
|
| National Union Radio Corp.; ... |
USA |
|
| NU201AA |
|
| National Union Radio Corp.; ... |
USA |
|
| NX-210 |
|
| National Union Radio Corp.; ... |
USA |
|
| OBE |
|
| Siemens (& Halske, -Schucker... |
D |
|
| OH501A |
|
| Voltron (tubes), O. Herschko... |
USA |
|
| OR |
|
| Siemens (& Halske, -Schucker... |
D |
|
| ORA_UV |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
