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ID = 82268
United States of America (USA)
Brand: Cooper Hewitt Electric Co.; New York, NY
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to 6amp_Hewitt
Similar Tubes
Normally replaceable-slightly different:
  189049 ; L-49 ; R49

Base Edison giant, E40 = 40 mm-Goliat Top contact with a cap.
Was used by Industrial
Filament Vf 2.3 Volts / If 17 Ampere / Direct / Specified voltage AC/DC

This tube is a half wave mercury vapor type similar to the 6 amp Tungar type made by GE. It has a pear shape bulb.

Information source -- Collector info (Sammler)   
6amp_Hewitt: Ebay item February 2020
Fin Stewart

6amp_Hewitt: Fin Stewart
Fin Stewart


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