Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 218
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:^^y j^^^^Of^fz^e^. ■. NORRIS PETEHS CO. PHOTO-LITHO,, WASHINCTON, 0. ( (No Model.) No. 489,666, E. L. WILSON. SOUND BECORDING INSTRUMENT. 2 Sheets—Sheet 2. Patented Jan. 10, 1893. s ? JFjib-S. … yz^r^ejiri:^^^^/Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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