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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 731

An illustration from [Graphophone patents], 1878, leaf 731
In testimony whereof I have hereunto 105signed this specification in the presence oftwo subscribing witnesses. JAMES W. KNIGHTS. Witnesses: J. S. Withers,Frank Blakey. Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. C.… … ^■■z-

Phonograph · Patents

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

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