Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1043
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ooL WITNESSES . w* l/h£l*~<l4<7 INVENTOR ^^> BY ATTORNEY. MINOTON, l». C. W. ROTTER. APPARATUS FOR MAKING PHONOGRAPH RECORDS, APPLICATION FILED NOV. 19, 1910. 1,162,256. ee- Patented Nov. 30, 1915. 4 SHEETS-SHEET 2, Fio, e. … F-.o.O I7-7 \7 -4—Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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