Dull emitting general purpose triode. Released in 1924. Manufacturer: M.O. Valve Company, England.
Early type of triode employing cylindrical electrode structure.
2.8 volt directly heated cathode. Filament rating is 2.4 to 3.0 volt. Filament current is 0.06 amp. Amplication factor is 7.

Physical Description

Cylindrical bulb on 4 pin European style base with metal shell. Bulb is broken with parts missing.

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