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411A_WE

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ID = 35424
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Thyratron Cold-cathode 
Identical to 411A_WE
Similar Tubes
Multiple differences or of other kind:
  425A_WE

Filament
Description Ringer isolator in telephone applications. Replaced by WE 425A. 
Information source Tube Lore (I)   
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