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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 903

An illustration from [Graphophone patents], 1878, leaf 903
stylus, a spring armprojecting from the stem, a cam arranged tobear against said arm, an adjustable arbor,or shaft carrying said cam, and a set screwfor locking said arbor or shaft in adjusted po-sition. In testimony that I claim the foregoing asmy own, I have hereto affixed my signaturein the… … ljig.2

Phonograph · Patents

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

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