Antique radios, Old Time Radios
PT240_B4
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Country:
Great Britain (UK)
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| Identical to |
PT240_B4
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| Similar
Tubes |
Other base:
PT240_Lissen
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
Sidecontact.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.4 Ampere / Direct / Battery = |
| Information source |
- - Manufacturers Literature 1930
History of the British Radio Valve to 1940 P. 147
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PT240_B4: RPG Funke
Wolfgang Holtmann
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Just Qvigstad
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PT240_B4: own collection
Peter den Boer
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