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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 365

An illustration from [Graphophone patents], 1878, leaf 365
o form a socket to receivethe ball formed at the end of the sound-con-veyer whereby a movable connection isformed between said sound - conveyer andhorn which permits of vertical and horizontalmovements of said conveyer. In witness whereof I have hereunto set myhand in presence of two witnesses.…

Phonograph · Patents

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

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