Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 448
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E. G. HAYNE. SOUND CONVEYER ARM. APPLICATION FILED SEPT. 15, 1916. Patented Sept, 18, 1917. 1,240,342. 2 SHEETS-SHEET I. -FT* x <fi _ :x_ … ^rfic£^ EL. - Or -_3-T=^ Llf.J.c^ilJwy^:Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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