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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 732

An illustration from [Graphophone patents], 1878, leaf 732
ng connected therewith, of a tensionnot sufficient to overcome but acting to di- 35minish the force of gravity by which said in-strument is held in contact with the record-cylinder, substantially as described. In testimony whereof I have signed thisspecification in the presence of two subscrib-… … -O ,«-

Phonograph · Patents

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

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