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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 64
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E. R. JOHNSON. SODND CONVEYING DEVICE FOR TALKING MACHINES. APPLICATION FILED DEC. 24, 1903. 1,015,321. Patented Jan. 23, 1912. T'^^'L ^^- … T.c^A WITNESSES: INVENTOR ^\ t!vv\ ^ aeVv^<i\vs\5 ox\ y (/mu ATTORNEY. COl.t'MniA 1-LANOr.JlAl'll CO.. WASHINOTON. ;Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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