Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 614
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/SW 1 1 No. 750,977. PATENTED FEB. 2, 1904. J. JETTER. SELF ADJUSTING ARM FOR TALKING MACHINES. APPLICATION FILED MAE. 7, 1903. NO MODEL. … ^— THE NOMRIS PETEHS CO, PMOTO-UTHO;.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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