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ID = 30845
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Half-Wave Rectifier, inert gas filled   Power-supply 
Identical to 289A = 4B26 = CV1836
Similar Tubes
Different maximum ratings:

Base Edison giant, E40 = 40 mm-Goliat Top contact with a cap.
Was used by Industrial
Filament Vf 2.2 Volts / If 18 Ampere / Direct
Description Tungar rectifier for battery chargers. 375V PIV, 6A. WE code for 4B26. 
Information source -- Collector info (Sammler)   
Tube Lore (I)   
289A: aus ebay, Verkäufer uncle-papa
Gottfried Silberhorn

289A: Manufacturer's Literature
Emilio Ciardiello


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