Antique radios, Old Time Radios
203THA
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Country:
Great Britain (UK)
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| Identical to |
203THA
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| First Source
(s) |
1939 : History of the British Radio Valve to 1940 p. 199
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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 20 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working) |
| Information source |
- - Manufacturers Literature
Babani, International Radio Tube Encyclopaedia p. 28 & 29
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203THA: Fin Stewart
Fin Stewart
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Just Qvigstad
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