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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 534
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Patented Aug. 6, 1901. No. 679,923. L P. VALIQUET. SOUND REPRODUCER. (Application filed Dec. 19, 1808.) <No Model.) J^^^. ^ ^\y- . /. J^-t^.^. JO ^^\^ ^^. s s ^ "ill ■** 3 " l] i T'v I -^ -20 ^ 1 - JO ^^^ ^^ 9 ^¥^W^ … PtTEHS CO., PMOTO-LlTHO . WASHINGTON, O. (Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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