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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 400

An illustration from [Graphophone patents], 1878, leaf 400
No. 738,316. PATENTED SEPT. 8, 1903. E. GILBERT. ATTACHMENT FOR PHONOGRAPHS. APPLICATION FILED BEC. 18, 1902. NO MODEL, — . 2 SHEETS-SHEET 1. /=/GrJ … Cy^cnc£^^

Phonograph · Patents

Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.

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