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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 303
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INVENTOR Br ATTORNEY. »1DRtW 9 OH«UM£0 PMOTO-i No. 821,045. PATENTED MAY 22, 1906.E. LESCHBRANDT.TALKING MACHINE. APPLICATIOH PILED MAR. 14, 1906. 3 SHEET8-SHEET 3. f. 4 re x-^XJO. … IZcr.S-Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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