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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1005

An illustration from [Graphophone patents], 1878, leaf 1005
e blank fromthe mold, in shaving off the outer surface of 75the blank so as to thereby remove any im-purities which may be lodged therein, and infinishing the interior of the blank, substan-tially as and for the purposes set forth. This specification signed and witnessed 80this 18th day of January… … -z JpiSp. &

Phonograph · Patents

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

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