Antique radios, Old Time Radios
NR39
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.2 Ampere / Direct / Battery = |
| Description |
Beam tetrode or pentode for use in battery operated sets. Clear glass bulb. Made for the British Navy
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| Information source |
Babani, International Radio Tube Encyclopaedia p. 120 & 121
-- Original-techn. papers.
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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NR39: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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