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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1051
DESIGN. P. DUFFY. V TALKING MACHINE CABINET. APPLICATION FILED JAN. 11, 1916. Patented Mar. 7, 1916. 48,672. … 3 nvavUcfc i> 7fUne&3- *<j his su cdz^~&jh™^Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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