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W2970

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ID = 9198
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  CRT (cathode ray tube, picture tube) 
Identical to W2970

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ub)
Filament Vf 4 Volts
Description

Maybe that this tube type is not correctly identified, else  there are two different tubes with identical code.

The 1946 CV register gives the Admilalty Pattern W2979 as corresponding to the klystron CV35. Actually a CRT electron gun was used in the early reflex klystrons and CV35 had an octal base.

Verification required for this code.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   

w2970_sock.png W2970: Tabu Röhren-Codex, 1948
Anonymous 15 Collector


Just Qvigstad
 

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