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V.A.No2

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ID = 62672
       
País:
Gran Bretaña (GB)
Marca: BTH (B.T.H.), British Thomson-Houston Co, Ltd.
Diseñador: BTH (B.T.H.), British Thomson-Houston Co, Ltd. 
Tipo:  Triode, vacuum 
  <1925 very rare
Idéntica a V.A.No2

Base SPECIAL TUBEBASE in general
Usada en Telefonìa
Filamento Vf 3.8 Volt / If 0.85 Ampere / Direct / Battery =
Descripción

The correct name for this tube is "Valve Amplifying No 2" and it was a successor to the V.A.No1. It had a sheet nickel anode but in all other respects, was identical to thr No1.

 
Literatura British Radio Valves - The Vintage Years: 1904-1925   Pages 81-82, 86 & 133
Saga of the Vacuum Tube, Tyne   Pages 205-206

1vano1~~1.png V.A.No2: Fin Stewart
Fin Stewart

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V.A.No2
 

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