Antique radios, Old Time Radios
VT31_GPO
| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
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| Was used by |
Telephony |
| Filament |
Vf 4.5 Volts / If 1 Ampere / Direct / Specified voltage AND current AC/DC |
| Description |
This is the VT designated 4101D used by the UK Post Office for telephony repeaters.
This was manufactured by the British Western Electric Co which became ST&C. It was a UK copy of the WE 101D.
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| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
-- Original-techn. papers. p367, 368 ??
Saga of the Vacuum Tube, Tyne Pages 367 & 369
British Radio Valves - The Vintage Years: 1904-1925
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VT31_GPO: Fin Stewart
Fin Stewart
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Just Qvigstad
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