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ID = 61383
Tube type:  Gas Triode   Detector 
Identical to 200X00-A = 00A = UX200A

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Filament Vf 5 Volts / If 0.25 Ampere / Direct

An equivalent of UX200A/00A gas detector.

ERLA tubes were advertised in 1926 by Electrical Reserach Laboratories, 2500 Cottage Grove Avenue, Chicago, Illinois.

Information source Saga of the Vacuum Tube, Tyne   

Just Qvigstad

Collection of



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