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A7_Westinghouse

Information - Help 
ID = 83720
       
Country:
United States of America (USA)
Brand: Westinghouse El. & Mfg. Co. - see also Canadian W.
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Transmitting Triode, air cooled   Power/Output 
  <1925 very rare. ***
Identical to A7_Westinghouse

Base Jumbo 4-pin bayonet (1918)
Was used by Transmittertube (Radio)
Filament Direct
Description

This tube has no provenance and is most likely an experimental type.

 
Dimensions (WHD)
incl. pins / tip
x 184 x 51 mm / x 7.24 x 2.01 inch
Information source -- Collector info (Sammler)   

jumbo_4_pin~~20.png A7_Westinghouse: Fin Stewart
Fin Stewart


Just Qvigstad
 
a7_westinghouse_nw.jpg

 

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