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4215_AB

Information - Help 
ID = 69663
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Triode, vacuum   RF/IF-Stage 
  <1925 very rare. ***
Identical to 4215_AB
Similar Tubes
Other base:
  215A ; 4215A

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 1 Volts / If 0.25 Ampere / Direct / Battery =
Description

This tube is a 4215A but with a European B4 base. The bulb itself was designed by the Western Electric Company, with the "peanut" base.

 
Dimensions (WHD)
incl. pins / tip
x 95 x 28 mm / x 3.74 x 1.10 inch
Information source - - Manufacturers Literature   Data sheet 1937
 

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