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9502B

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ID = 33859
       
 
   
Tube type:  Photomultiplier 
Identical to 9502B

Filament --/--
Description 2-inch diameter, lime soda glass, top window, high-gain photomultiplier. S-11 type photocatode, with peak sensitivity in the blue region; 13 venetian-blind dynodes coated with CsSb. 15 pin, B15B, glass base.
EMI/US, North Hollywood, CA, USA, known manufacturer. 
Information source - - Manufacturers Literature   
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9502B: Manufacturer's Literature
Emilio Ciardiello

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