Antique radios, Old Time Radios
H.F.&DET
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Country:
Great Britain (UK)
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| Identical to |
H.F.&DET
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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 3.5 Volts / If 0.06 Ampere / Direct |
| Description |
This tube used for RF and Resistance Coupling.
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| Information source |
British Radio Valves - The Classic Years: 1926-1946 Supplement, p. 5
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H.F.&DET: Fin Stewart
Fin Stewart
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Just Qvigstad
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| Data Compliance |
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