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40B2

Information - Help 
ID = 23773
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  REGULATOR-/CONTROL-TUBE (general) 
Identical to 40B2

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament
Description used in 110V AC-DC Sets 
Text in other languages (may differ)
Information source Ballast Tube Handbook, The   
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40b2pix.jpg
40B2: Sylvania USA
John Albion

 
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40B2
Emilio Ciardiello

 

from Just Qvigstad


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