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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 323

An illustration from [Graphophone patents], 1878, leaf 323
pointscarried on the sound box, ami on a fixed partof the machine, and the position of said lat- ter contact point being adjustable, substan-tially as described. In testimony whereof I have hereuntosigned my name in the presence of the twosubscribed witnesses. JOSEPH EIFEL.Witnesses: F. W. H.… … M_ ^5 V^ &>&,

Phonograph · Patents

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

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