Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 131
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a/t/^ -VL ^ y ^ 72/. n 1- … J INVENTOR ATTORNEY C. M. HUGHES. PHONOGRAPH. APPLICATION PILED MOV. 15, 1909. 948,328. Patented Feb. 8,1910. 2 SH£ET8-8H££T 2.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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