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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 453

An illustration from [Graphophone patents], 1878, leaf 453
B ^ a 0 a Flg.2 y/////////////////////)?////////>/>////////////// &> / / sNNNNNNNSSSSS \\\\\\\\\yV\\\\\w\ \\\\\\\\\\-vr Wrf … WITNESSES: Tul^frapp INVENTOR BY/

Phonograph · Patents

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

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