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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 555

An illustration from [Graphophone patents], 1878, leaf 555
n. In testimony whereof I affix my signa-ture in presence of two witnesses. JOHN JOHNSON. Witnesses:G. Leyog,AroLOXio Cabatit. 20 25 Copies of this patent may be obtained for five cents each, by addressing the Washington, D. C. Commissioner of Patents, SOUND RECORD AID THE PRODUCTION THEREOF,… … Mg.2 2 3

Phonograph · Patents

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

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