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1297

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ID = 17475
       
Country:
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:  Full-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to 1297 = 4B27 = 16X897 = 38897

Filament Vf 2.5 Volts / If 10 Ampere / Half indirect
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (I)   

el_pin~~12.png 1297: Manufacturer's Literature
Emilio Ciardiello

 

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