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wecovalve_green

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ID = 69937
       
Country:
Great Britain (UK)
Brand: Western Electric Co. Ltd.; London
Developer: Western Electric Co. Ltd.; London 
Tube type:  Triode, vacuum   Detector 
  <1925 very rare. ***
Identical to wecovalve_green

Base Peanut (WECO 1919/1920)
Was used by Radio/TV-reception etc.
Filament Vf 0.8 Volts / If 0.25 Ampere / Direct / Battery =
Description

This tube is a detector and has a green spot on the glass bulb, near the base. Anode voltage 30 - 60, grid voltage -7 to -10

 
Dimensions (WHD)
incl. pins / tip
x 54 x 16 mm / x 2.13 x 0.63 inch
Literature British Radio Valves - The Vintage Years, Thrower   Page 122
 
wecovalve_4215a_green_spot.jpg
wecovalve_green: National Valve Museum
Fin Stewart

 
215a_base~~4.gif
wecovalve_green: Fin Stewart
Fin Stewart

 

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