Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 278
THE NHRRlS PETERS CO. PHOTO-L.ITMO WASHINGTON. I iNo Model.) No. 495,869, 8 Sheets—Sheet 6. J. L. ATKINS. TALKING MACHINE. Patented Apr. 18, 1893.Phonograph · Patents
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