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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 602
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D. HIGHAM. PHONIC APPARATUS, APPLICATION FILED APE, 17, 1908. Patented Aug. 20, 1912. 1,036,335. … ^.z Rin d^ ^=^ rffi [::: .? ?- J o-^ -iz >a ■^ ^^A.'IX^ COLUMBIA PLANOOQAPH CO.. WASHlNaTON, D. C.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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