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ID = 78460
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:  Strobe Tube 
Identical to 648P1 = R-4200_Sylvania

Base Edison, size not known
Was used by Technology / Measurement
Filament --/--

Strobotron tube used in Gen Rad stroboscopic measurement sets.

North America E17 Edison base


Collection of



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