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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 187

An illustration from [Graphophone patents], 1878, leaf 187
d adapted to have inter-mittent vibratory contact with both, a cas-ing, and a supporting frame mounted on auniversal joint in the casing and carrying 95the diaphragm, stylus supporting memberand impulse transmitting means. Signed at Brookljm, in the county ofKings and State of New York this 6th… … J5/_

Phonograph · Patents

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

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