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A-21

Information - Help 
ID = 27926
       
Country:
United States of America (USA)
Brand: Amperex; New York
Tube type:  Triode, vacuum 
Identical to A-21

Base Top contact with a cap.
Filament
 
a21.jpg
A-21: home.comcast.net/~nwilson343/tubes
Christian Schaufelberger

 

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