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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 882
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PATENTED OCT. 3, 1905. No.800,890. P. WEBER. PHONOGRAPHIC RECORDER. APPLICATION FILED FEB. 6, 1901. … Inventor Witnesses, huo. 7T ^ri^ux^^. ^^^£L~^ «*?«*-, Att'ys.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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