Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 495
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<-;• ^3ffi?r/?<zi/ THE NORMS PETEKS CO.. PHOTC-UTHO.. WASHINGTON. D. C 1,142,670. C. CAMERON, Jr. REPEATING GRAPHOPHONE. APPLICATION FILED NOV. 25, 1913. Patented June 8,1915. 2 SHEETS—SHEET 2. ___/, … _J <3l j ; ,33 f*Y 4-/1Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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