Inside Out Library

[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 650

An illustration from [Graphophone patents], 1878, leaf 650
o said presserfoot, substantially as described. 10. The combination of a phonograph dia-phragm and support pivoted on one side, thepresser foot extending from the opposite side,a recorder or reproducer connected to saidpresser foot and to the diaphragm, substan-tially as described. This… … cJivuc-ii tor.

Phonograph · Patents

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

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