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CW-931

Information - Help 
ID = 27698
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Transmitting Triode, air cooled   Power/Output 
  <1925 rare.
Identical to CW-931 = 205A = E_Western = VT-2 = 205B
Predecessor Tubes K_Western   202A  

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Military and/or Government
Filament Direct / Parallel, (AC/DC)
Description

This was developed by Western Electric in 1917 for The Signal Corps and used by the Navy under the CW-931 designation.. Rare earth coated filament. RF Output power 5W. Ua=300V. It was used in airplane and low power sustained-wave transmitters.

 
Dimensions (WHD)
incl. pins / tip
x 83 x 54 mm / x 3.27 x 2.13 inch
Information source Saga of the Vacuum Tube, Tyne   Page 100
-- Collector info (Sammler)   Radio Test Lab, report, US Navy 3/2/1919
 
uv_triode_tube~~83.png
CW-931: Fin Stewart
Fin Stewart

 

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