Radio Antica e Radio d'epoca
F_Osram
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Stato:
Gran Bretagna (Regno Unito)
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| Identico a |
F_Osram
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| Zoccolo |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Utilizzata per |
Militaire et/ou Services Publics |
| Filamento |
Direct / Battery = |
| Descrizione |
Tube designed for the British Royal Air Force. It was similar to an R design but of rugged construction with glass tube supports for the anode and grid. The extra glass supports were for the filament. Data is very scarce on this tube and a date of manufacture is not known.
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| Bibliografia |
British Radio Valves - The Vintage Years: 1904-1925 Pages 78 & 79
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Just Qvigstad
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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