Information
- Creation
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Creator (Definite): William Du Bois DuddellDate: From approx. 1895 to approx. 1910
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Cited byN. Hawkins, Hawkins electrical guide: questions, answers & illustrations (New York, 1917)
Description:Described with extensive illustrations on pp. 1857-1870.
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Related toCinematograph camera for use with oscillograph (1907)
Description:The moving coil oscillograph was the primary if not the only form of oscillograph that utilized photo-sensitive media at this time.
