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ID = 81079
United States of America (USA)
Brand: Columbia Radio Laboratories Inc. (Columbiatron); New York City, NY
Developer: Majestic tubes of Grigsby-Grunow 
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to C-58S

Base 6-Pin-Base U6A, old, USA Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC

Brand of Colombia for own brand radios.. Type 58 with sprayed metal shield.

Information source -- Collector info (Sammler)   

57_58~~13.png C-58S: Fin Stewart
Fin Stewart

Just Qvigstad

Collection of



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