Antique radios, Old Time Radios
VT3_GPO
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Country:
Great Britain (UK)
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| Identical to |
VT3_GPO
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| Similar
Tubes |
Normally replaceable-slightly different:
R_Osram
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Telephony |
| Filament |
Vf 4 Volts / If 0.7 Ampere / Direct / Battery = |
| Information source |
British Radio Valves - The Vintage Years: 1904-1925 Pages 82 and 133
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VT3_GPO: Fin Stewart
Fin Stewart
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Just Qvigstad
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Collection of
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