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202STH

Information - Help 
ID = 8765
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Triode-Hexode   Frequency converter 
Identical to 202STH
First Source (s)
1937 : History of the British Radio Valve to 1940 p.199

Base British-7-Pin, old (M7A) (Codex=Ng) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 20 Volts / If 0.2 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   p.28 & 29
 
202sthcossor_klein_klein.jpg
202STH
Geri Meier

More ...
 
554_2.png
202STH: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad

Usage in Models 1= 1937 ; 3= 1938

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4


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