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4H4C

Information - Help 
ID = 20426
       
Country:
United States of America (USA)
Brand: Amperite Co., Inc.; Union City / West New York (NJ)
Tube type:  Current Regulator, Iron in Hydrogen 
Identical to 4H4C

Filament
Information source Ballast Tube Handbook, The   
 
4h4cpix.jpg
4H4C: 4H4C AMPERITE USA
John Albion

 
6_4_22.png
4H4C
Emilio Ciardiello

 

Usage in Models 1= 1952 ; 1= 1955 ; 1= 1958 ; 1= 1959

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4


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