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.
| MX199 |
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| Marathon (tubes), Northern M... |
USA |
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| MX245 |
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| Common type USA tube/semicond. |
USA |
|
| MX280 |
|
| Gecovalve (Geco) = Brand of ... |
GB |
|
| N_Schott |
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| Schott und Genossen; Jena |
D |
|
| N_Tela |
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| Téla (marque), Télaradio; Mo... |
F |
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| N27 |
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| 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 |
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| National Union Radio Corp.; ... |
USA |
|
| NU-36 |
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| National Union Radio Corp.; ... |
USA |
|
| NU-49 |
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| National Union Radio Corp.; ... |
USA |
|
| NU-85 |
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| National Union Radio Corp.; ... |
USA |
|
| NU-89 |
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| National Union Radio Corp.; ... |
USA |
|
| NU201AA |
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| National Union Radio Corp.; ... |
USA |
|
| NX-210 |
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| National Union Radio Corp.; ... |
USA |
|
| O63 |
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| Siemens (& Halske, -Schucker... |
D |
|
| OBE |
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| Siemens (& Halske, -Schucker... |
D |
|
| OH501A |
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| Voltron (tubes), O. Herschko... |
USA |
|
| OR |
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| Siemens (& Halske, -Schucker... |
D |
|
| ORA_UV |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| ORP30 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| Oscillion_50W |
|
| DeForest-Tubes |
USA |
|
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| OT-Power-Tube |
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| O. & T. (O-T) Electric Corpo... |
USA |
|
| OT1A |
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| O. & T. (O-T) Electric Corpo... |
USA |
|
| OT3 |
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| O. & T. (O-T) Electric Corpo... |
USA |
|
| P_Pliotron |
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| General Electric Co. (GE); B... |
USA |
|
| P1_CeCo |
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| CeCo (tubes), C.E. Mfg. Co. ... |
USA |
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