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402

Information - Help 
ID = 71578
       
Country:
United States of America (USA)
Brand: Bluebird Tube Co.; New York City (NY)
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Universal 
Identical to 402 = D402_deForest = UV202 = C302

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Transmittertube (Radio)
Filament Vf 7.5 Volts / If 2.35 Ampere / Direct / Battery =
Description

Plate 750 volts. 5 watt oscillator tube

 
Information source - - Manufacturers Literature   
 
screenshot_20201128_095345_gallery.jpg
402: RMG
Robert Gillespie

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