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CV249

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ID = 28200
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Developer: Standard Telephones and Cables Ltd. (STC); London, Foots Cray 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 very rare. ***
Identical to CV249 = 3A/107A = VT72_GPO = 4019A
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Military and/or Government
Filament Vf 4 Volts / If 0.25 Ampere / Direct / Specified voltage AC/DC
Information source Babani, International Radio Tube Encyclopaedia   Pages 60 & 61
-- Original-techn. papers.   
uv~~53.png CV249: Fin Stewart
Fin Stewart

Just Qvigstad

Collection of

Collection of a member from FIN
 
cv249_stc.jpg

 
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