Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 683
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Attorneys C. W. EBELING.VARIABLE SPEED MECHANISM FOR SOUND AND PICTURE REPRODUCING MECHANISM. APPLICATION FILED OCT. 30, 1913. RENEWED JAN. 19, 1918. 1,261,796. Patented Apr. 9,1918. 5 SHEETS-SHEET 4-Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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