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9939B

Information - Help 
ID = 79540
       
Country:
Great Britain (UK)
Brand: Thorn EMI; Middlesex
Tube type:  Photomultiplier   Detector 
Identical to 9939B

Was used by Technology / Measurement
Filament
 
9939b_1.jpg
9939B: TL
Thomas Lüthe

 


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