Radio Antica e Radio d'epoca
VT31_GPO
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Stato:
Gran Bretagna (Regno Unito)
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| Identico a |
VT31_GPO
= CV1638
= 4101D
= 101D
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| Zoccolo |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
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| Utilizzata per |
Telephony |
| Filamento |
Vf 4.5 Volt / If 1 Ampere / Direct / Specified voltage AND current AC/DC |
| Descrizione |
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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| Quotazioni |
1 Quotazioni (visibili solo per gli
associati)
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| Bibliografia |
-- 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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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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