Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 715
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y^s lO£> WITNESSES: INVENTORATTORNEY. W. N. DENNISON.SOUND REPRODUCING MACHINE. APPLICATION FILED MAR. 12, 1907. RENEWED JAN. 20, 1915. 1,150,346. Patented Aug. 17, 1915. 4 SHEETS-SHEET 2. j&?. £. … J104, WITNESSES: INVENTOR BY ATTORNEY. .OLUMDIA PLANOGRAPH CO., WASHINGTON. D. C. W. N. DENNISON. SOUND REPRODUCING MACHINE. APPLICATION FILED MAR. 12, 1907. RENEWED JAN. 20, 1915. 1,150,346. PatentedAug. 17, 1915. 4 SHEETS-SHEET 3.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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