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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 754

An illustration from [Graphophone patents], 1878, leaf 754
No. 654,937. Patented July 31, 1900. J. N. BLACKMAN. PHONOGRAPH ATTACHMENT. (Application filed M&r. 36, 1000.) (No Model. 1 n^< … INVENTOR WITNESSES: ^loxtjJJk BY S'^t-.-Q--/- yyL-trrrT,^ ^^ ATTORNEY LITHO., WASHINGTON, 0. C

Phonograph · Patents

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

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