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4222B

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ID = 30883
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  High-vacuum Rectifier   Power-supply 
Identical to 4222B
Similar Tubes
Normally replaceable-slightly different:
  4222A ; CAR1 ; CV1601

Base Wires only.
Filament Vf 19 Volts / If 59 Ampere / Direct
Description 45kV piv; 2A mean; Water cooled. 
Information source -- Original-techn. papers.   
Babani, International Radio Tube Encyclopaedia   
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