Antique radios, Old Time Radios
HP4101C
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Country:
Hungary
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| Identical to |
HP4101C
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| Base |
British-7-Pin, old (M7A) (Codex=Fco)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect |
| Information source |
History of the British Radio Valve to 1940 p. 152
Babani, International Radio Tube Encyclopaedia p. 110 & 111
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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HP4101C: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
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Just Qvigstad
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