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Peanut

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ID = 85581
       
Country:
Great Britain (UK)
Brand: Radio Communication Co. Ltd.; London
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to Peanut
Similar Tubes
Normally replaceable-slightly different:
  215A ; 4215A
First Source (s)
03.Oct.1923 : Wireless World (The), London (WW, 79)
05.Oct.1923 : -- Original prospect or advert

Base Peanut (WECO 1919/1920)
Was used by Radio/TV-reception etc.
Filament Vf 1.1 Volts / If 0.45 Ampere / Direct
Description

This tube was advertised in the BBC publication "Radio Times" October 5, 1923. The ad can be found on the National Valve Museum website but is not of good quality for reproduction.

 
Information source Saga of the Vacuum Tube, Tyne   p. 393


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