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L42D

Information - Help 
ID = 24551
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Non-linear components 
Identical to L42D

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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0_ball_36_31.png L42D
Emilio Ciardiello


Just Qvigstad
Usage in Models 1= 1936 ; 1= 1937?? ; 1= 1939??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
 

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