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VT27_GPO

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ID = 63036
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  High-vacuum Rectifier   Power-supply 
  <1925 very rare. ***
Identical to VT27_GPO
Similar Tubes
Normally replaceable-slightly different:
  4008B ; 4220B ; CAR1 ; CV1601

Base SPECIAL TUBEBASE in general
Was used by Telephony
Filament Direct
Description

Power rectifier tube used by British Post Office. First made by MOV in 1923. 230 tubes manufactured. Also later made by Western Electric and STC.

 
Dimensions (WHD)
incl. pins / tip
x 600 x 125 mm / x 23.62 x 4.92 inch
Information source British Radio Valves - The Vintage Years: 1904-1925   Pages 84 and 134

 

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