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D-160052

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ID = 77753
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Developer: GEC, General Electric Co.; London 
Tube type:  Pulse magnetron   SHF/EHF (>3 GHz) 
  Ca. 1925 up to 1945 no serial production. For instance only development samples. *****
Identical to D-160052 = E1189 = 1259M
Predecessor Tubes E1189   1259M  
Successor Tubes NTA98   REL3D  

Was used by Radar
Filament Vf 6 Volts / Half indirect
Description

WE copy of the British GEC E1189 S/N 12 magnetron brought to America by the Tizard Mission and successfully operated at Bell on 6 October 1940. British delegation asked for volume production of the device. Within November Bell delivered a small qualification lot, about 10 or 12 samples labeled as Bell / Western Electric 1259M, to the Bell developmental coding system. Then Western Electric built in the new magnetron facility at Chicago, Ill. at least some 60 additional units, most of which distributed to the MIT Radiation Lab and to American firms involved in the microwave radar developments. These units were labeled with the WE developmental code D-160053. Other copies were commissioned by British to Raytheon, but their quantity is unknown.

As the original British sample, all the D-160052 units came with eight-fin radiator. We will see that their production outcomes, REL3D and NTA98, were updated to the latest NT98 design, with four radiating fins.

The development of the E1189 magnetron at GEC can be read at this link.

 
Information source -- Original-techn. papers.   The creative ordeal, Otto J. Scott
-- Collector info (Sammler)   
 
we_d160052_2r.jpg
D-160052: Collection of Jerry Vanicheck, TCA
Emilio Ciardiello

 

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