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ID = 27860
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to CV4049D
Similar Tubes
Other shape (e.g. bulb type):
  AH221 ; CV5

Base Edison giant, E40 = 40 mm-Goliat
Filament Vf 4 Volts / If 11 Ampere / Direct
Description Converts to CV5 by removal of adaptor. 
Dimensions (WHD)
incl. pins / tip
63 x 270 x mm / 2.48 x 10.63 x inch
Weight 258 g / 9.10 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   

edison_rect_4.png CV4049D: Manufacturer's Literature
Emilio Ciardiello

Just Qvigstad

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