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ID = 82106
United States of America (USA)
Brand: Westinghouse El. & Mfg. Co. - see also Canadian W.
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Vacuum Pentode   Text 
Identical to RJ571
Similar Tubes
Other base:

Base SPECIAL TUBEBASE in general Top contact with a cap.
Was used by Industrial
Filament Vf 2.5 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC

This tube is essentiallythe same as a type 57 but with a special 5 pin Westinghouse industrial base. The supressor is tied to the cathode. 

Information source Tube Lore (II)   Page 257



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