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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 578

An illustration from [Graphophone patents], 1878, leaf 578
-.__^^4<7 (-ylAyCe-^ryxOi^, The ^0RF^IS pete) (No Model.) No. 532,718. J. BROICH. PHONOGRAPH. 4 Sheets—Sheet 4. Patented Jan. 15, 1895. Tj^.

Phonograph · Patents

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

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