Inside Out Library

[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 726

An illustration from [Graphophone patents], 1878, leaf 726
, PHOTO-LIThO WASHINGTON. O C (No Model.) 3 Sheets—Sheet 3. No. 569,290, T. H. MACDONALD. GRAPHOPHONE. Patented Oct. 13, 1896. … J^;i.g., 5. /

Phonograph · Patents

Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.

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