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ID = 34559
United States of America (USA)
Brand: Bomac Laboratories Inc., Beverly, Mass.
Tube type:  TR-switch 
Identical to BL-696

Filament No heater
Description External cavity TR cell, disc-seal bulb 1-1/8" diameter by 3" long; Keep-alive cap. Co60 radioisotope activator. 
Weight 170 g / 6.00 oz
Information source - - Data from my own collection   
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  BL-696: Manufacturer's Literature
Emilio Ciardiello
BL-696: Private collection
Emilio Ciardiello

BL-696: Manufacturer's Literature
Emilio Ciardiello

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