Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 235
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*?o /JO -7& elvn>*4vtoT ^5 7K- J?i±y^ £Utot*%ay 1,254,425. H. C. MILLER. SOUND BOX. APPLICATION FILED APR. 10, 1914. … Patented Jan. 22,1918. 2 SHEETS-SHEET 2.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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