Inside Out Library

[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 717

An illustration from [Graphophone patents], 1878, leaf 717
lus-carrying arm bent at rightangles thereto, all in combination with a 75needle-holder inserted in a central perfora-tion in the bent portion of the stylus-carry-ing arm and means for adjusting the position of the downwardly-bent portion of the dia-phragm-holder. 80 Signed at New York, N. Y., this… … Tf i

Phonograph · Patents

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

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