Antique radios, Old Time Radios
SPT2
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Country:
Great Britain (UK)
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| Identical to |
SPT2
= SP2
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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 0.1 Ampere / Direct / Battery = |
| Description |
Codex falsch erfasst!
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| Information source |
- - Manufacturers Literature Ferranti data book 1956
Babani, International Radio Tube Encyclopaedia P. 142 & 143
History of the British Radio Valve to 1940
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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SPT2: Fin Stewart
Fin Stewart
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Just Qvigstad
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