Catalogue de radios anciennes
A1_plateless
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Pays:
Royaume Uni
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| Identique à |
A1_plateless
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| Première source |
Jun.1924 : British Radio Valves - The Vintage Years: 1904-1925
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| Culot |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Utilisé par |
Radio/TV-reception etc. |
| Chauffage |
Vf 4 Volt / If 0.58 Ampère / Direct / Battery = |
| Description |
G.W.I. Ltd. Imperial Works, Shanklin Rd., Crouch End, London, N8.
Valve repairers who produced an unusual valve in 1924.
Instead of a cylindrical anode the inner glass surface was silver coated to work as anode. Therefore called "plateless".
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| Bibliographie |
British Radio Valves - The Vintage Years: 1904-1925 pages 4, 32, 116, 138
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Just Qvigstad
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[rmxtube-fr, noindex]
| Mentions légales |
Plus d'informations |
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