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15143

Information - Help 
ID = 45073
       
Country:
United States of America (USA)
Brand: Edison, Thomas A., North American Phonograph / National Phonograph; Orange, NJ
Tube type:  COUNTING AND MEASUREMENT, general 
Identical to 15143

Filament No heater
Description UV detector. 
Information source - - -   
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15143_a.jpg
15143: Private collection
Emilio Ciardiello

 


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