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PM4_Ballast

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ID = 42446
       
Country:
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:  REGULATOR-/CONTROL-TUBE (general) 
Identical to PM4_Ballast

Base Loctal-8, B8G (Sylvania, 1938)
Filament
Literature - - -   
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pm4.1.jpg
PM4_Ballast: H.F.
Herbert Flick

 


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