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4077A

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ID = 17487
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to 4077A
Similar Tubes
Normally replaceable-slightly different:
  CV33

Base Edison giant, E40 = 40 mm-Goliat
Filament Vf 2.5 Volts / If 8 Ampere / Direct / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

1_edison_rect_19.png 4077A: Manufacturer's Literature
Emilio Ciardiello


Just Qvigstad
 

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