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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 553

An illustration from [Graphophone patents], 1878, leaf 553
a direction opposite tothat in which the centrifugal force acts. 26. In a talking machine of the disk typewherein is included a horn arm having hori-zontal and vertical movement, means forsimultaneously resiliently supporting saidhorn arm and causing it to drift and con- tinuously move the sound… … Patented July 5,1910. ^^^.^

Phonograph · Patents

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

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