Catalogue de radios anciennes
R4C
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Pays:
Royaume Uni
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Fabricant:
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| Type: |
Triode, vacuum Universal |
| |
<1925 rare |
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| Identique à |
R4C
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| Similaires |
Différent culot :
R4C_E12
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| Première série |
1919
??
Saga of the Vacuum Tube, Tyne page 220
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| Première source |
1919 : British Radio Valves - The Vintage Years: 1904-1925 p.26,27
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| Culot |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Utilisé par |
Militaire et/ou Services Publics |
| Chauffage |
Vf 3.8 Volt / If 0.65 Ampère / Direct / Battery = |
| Description |
First made by Osram GEC in 1919. Tube was fitted with E12 Edison base and had wire leads from the top from the plate and grid connections. British Navy version NR4C
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Dimensions
(l x h x p)
incl.pins/tip |
50 x 105 x mm / 1.97 x 4.13 x inch |
| Bibliographie |
- - Manufacturers Literature Gec cat. about 1924
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|
R4C: Fin Stewart
Fin Stewart
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Just Qvigstad
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R4C: own collection
Peter den Boer † 2025
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Collection de
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[rmxtube-fr, noindex]
| Mentions légales |
Plus d'informations |
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