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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 258

An illustration from [Graphophone patents], 1878, leaf 258
C. S. OSBORNE. PHONOGEAPH. APPLICATION FILED OOT.6, 1911. Patented May 26, 1914. 1,097,987. 3 SHEETS-SHEET 3. … SO "V ® Jfyy.6 If //-P A .4? 1 & 17 3 ^^Ttk *^fW jfovenlor; jfcfa&ty. COLUMBIA PLANOO&APH CTk, WASHINGTON, D.'C

Phonograph · Patents

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

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