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VT120_GPO

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ID = 65365
       
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 VT120_GPO = CV1688 = 3B/252B = 4033L
Similar Tubes
Normally replaceable-slightly different:
  4033X ; 61P

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Was used by Telephony
Filament Vf 6 Volts / If 1.4 Ampere / Indirect / Specified voltage AND current AC/DC
Information source -- Collector info (Sammler)   
 
b5~~6.png
VT120_GPO: Fin Stewart
Fin Stewart

 

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