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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 596

An illustration from [Graphophone patents], 1878, leaf 596
t:Atz:arj^hey. S PETERS CO, PHOTO-UTHO. WASHINCTOM. 0. C (No Model.) No. 534,543, 4 Sheets—Sheet 2. E. BERLINER. GRAMOPHONE. Patented Feb. 19, 1895. … z<?>?<P6!6e<5

Phonograph · Patents

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

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