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VT72_GPO

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ID = 64944
       
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 VT72_GPO = CV249 = 4019A
Similar Tubes
Other shape (e.g. bulb type):
  3A/107A

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Telephony
Filament Vf 4 Volts / If 0.25 Ampere / Direct / Specified voltage AC/DC
Information source -- Collector info (Sammler)   

uv~~52.png VT72_GPO: Fin Stewart
Fin Stewart


Just Qvigstad
 

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