British-7-Pin, old (M7A) (Codex=Nf)
Top contact with a cap.
Utilizzata per
Militaire et/ou Services Publics
Filamento
Vf 4 Volt / If 0.6 Ampere / Indirect
Descrizione
Clear glass bulb.
Bibliografia
Babani, International Radio Tube Encyclopaedia p. 72 & 73
Universal Vade-Mecum, Electron Valves and Semiconductor Devices p. 35
Taschenbuch zum Röhren-Codex 1948/49
CV1183: Manufacturer's Literature
Emilio Ciardiello
Just Qvigstad
CV1183: Manufacturer's Literature
Emilio Ciardiello
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