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ID = 39704
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  MICROWAVE AND RADAR, general 
Identical to 1B45
Similar Tubes
Other characteristic (electr. data):
  1B41 ; 1B49
Predecessor Tubes WX3240  
Successor Tubes BL735  

Was used by Radar

Spark gap tube intended for radar modulator circuits. Similar to 1B41 with pressure increased to 150 mm H2 and voltage raised to 6.5KV.

Dimensions (WHD)
incl. pins / tip
76 x 152 x mm / 2.99 x 5.98 x inch
Information source Tube Lore (I)   
-- Original-techn. papers.   Glasoe & Lebaqz, Pulse Generators
  1B45: Manufacturer's Literature
Emilio Ciardiello
1B45: Private collection
Emilio Ciardiello


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