Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 587
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dvwctxtoz- Qttotvwi^S THE NORRIS PETERS CO.. WASHINGTON, O. C. No. 835,544. PATENTED NOV. 13, 1906.T. H. MAODONALD.SOUND REPRODUCER. APPLICATION FILED HAE. 27, 1906. 2 SHEETS-SHEET 1 sj£&-3 … ^%i-£>. 3>iuento«. /ttvwoie.) ^y^i^a^ ./f/^cy^,^/ C*^**^ Q-ttottt^J THE NO««.S ^CTBM CO.. WASHINGTON. D. C. No. 836,032. PATENTED NOV. 13, 1906. J. J. HAMMER.GRAPHOPHONE. APPLICATION FILED DEO. 30. 1905. -^9-^-Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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