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ID = 35158
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Thyratron Cold-cathode 
Identical to 451A_WE

Base Noval, 9 pin miniature (USA pico-9) B9A
Description Ringer isolator, similar to 425A. Separate cathode for starter electrode, so that starting circuit is normally isolated from the main circuit. Red lacquered body. 
Information source Tube Lore (I)   

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