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ID = 73729
United States of America (USA)
Brand: Eveready (Ever Ready), AENMC / National Carbon Company (NCC); Columbia
Tube type:  Vacuum Pentode   Audio Frequency 
Identical to ER234 = 234 = 34

Base Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Direct / Specified voltage AND current AC/DC
Information source -- Collector info (Sammler)   

34~~4.png ER234: Fin Stewart
Fin Stewart


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