Metallised or carbonised envelope. Made for British Navy
Dimensioni (LxAxP) incl.pins/tip
45 x 135 x mm / 1.77 x 5.31 x inch
Bibliografia
Babani, International Radio Tube Encyclopaedia p. 122 & 123
Universal Vade-Mecum, Electron Valves and Semiconductor Devices p. 55
Taschenbuch zum Röhren-Codex 1948/49
NR84: Manufacturer's Literature
Emilio Ciardiello
Just Qvigstad
NR84: Manufacturer's Literature
Emilio Ciardiello
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