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814A

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ID = 11975
       
Country:
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:  Photomultiplier   Text 
Identical to 814A

Was used by Industrial
Filament
Description

Photo tube for theatre or general use.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (II)   p. 77

 

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