Antique radios, Old Time Radios
HP210
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Country:
Hungary
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| Identical to |
HP210
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| Similar
Tubes |
Other base:
HP210_7pin
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| First Source
(s) |
22.Nov.1935 : Wireless World (The), London (WW, 79)
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Nr)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.12 Ampere / Direct / Battery = |
| 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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HP210: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
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Just Qvigstad
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HP210: My schematic collection.
Pier Antonio Aluffi
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Collection of
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