Antique radios, Old Time Radios
HP211C_7pin
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Country:
Hungary
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| Identical to |
HP211C_7pin
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| Similar
Tubes |
Other base:
HP211C
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| Base |
British-7-Pin, old (M7A)
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
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HP211C_7pin: Telefunken Werkstattbuch
Wolfgang Bauer
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