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1A7VG

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ID = 52723
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (old)   Controlling (mu) 
Identical to 1A7VG

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery =
Description metallised. 
Information source - - -   
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7z_8.png 1A7VG
Emilio Ciardiello


Just Qvigstad
Usage in Models 1= 1940

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

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