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31_Ballast

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ID = 23665
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Non-linear components 
Identical to 31_Ballast

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Filament
Description used in 2V - Battery Sets 
Text in other languages (may differ)
Information source Ballast Tube Handbook, The   
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Just Qvigstad
Usage in Models 1= 1932? ; 3= 1932 ; 4= 1933 ; 3= 1934 ; 2= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13

Collection of

 
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