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VT197_GPO

Information - Help 
ID = 66339
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Developer: Mullard Radio Valve Co. Ltd.;  
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
  Ca. 1925 up to 1945 very rare. ***
Identical to VT197_GPO = RG3-1250 = CV1629
Similar Tubes
Other characteristic (electr. data):
  ESU303

Base Edison giant, E40 = 40 mm-Goliat Top contact with a cap.
Was used by Telephony
Filament Vf 4 Volts / If 7 Ampere / Direct / Parallel, (AC/DC)
Dimensions (WHD)
incl. pins / tip
x 285 x 64 mm / x 11.22 x 2.52 inch
Information source -- Collector info (Sammler)   
 

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