Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 759
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No. 843,042. PATENTED FEB. 5, 1907. F. SHEPPY.SOUND BOX FOR TALKING MACHINES. APPLICATION TILED DEO. 11, 1905. … FyXPhonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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