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VT11_GPO

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ID = 30724
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Half-Wave Vacuum Rectifier   Text 
  <1925 very rare. ***
Identical to VT11_GPO = MR4_MOV = CV1611

Base Wires Wires only
Was used by Telephony
Filament Vf 12.5 Volts / If 6.3 Ampere / Direct / Parallel, (AC/DC)
Description

10kV piv, 160mA mean dc output. Designed by MOV for the British Post Office and first made1921. 255 tubes were produced. They were used at the Lands End Radio Station. Also made by Ediswan.

 
Literature Babani, International Radio Tube Encyclopaedia   
-- Original-techn. papers.   
 

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