Catalogue de radios anciennes
VT23_GPO
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Pays:
Royaume Uni
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| Identique à |
VT23_GPO
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| Culot |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Utilisé par |
Téléphonie |
| Chauffage |
Direct |
| Description |
Small triode tube used by the British Post Office as a repeater tube in telephony. First made 1922 - only 134 tubes manufactured.
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| Bibliographie |
British Radio Valves - The Vintage Years: 1904-1925 Pages 83 and 133
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VT23_GPO: Fin Stewart
Fin Stewart
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Just Qvigstad
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[rmxtube-fr, noindex]
| Mentions légales |
Plus d'informations |
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