Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 33
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INVENTORATTORNEYS A. H. WELKER. TALKING MACHINE. APPLICATION FILED MAY 5, 1911. 1,123,446. Patented Jan. 5,1915. 2 SHEETS-SHEET 2. Fief?. *?^^^^ b^^^y^^^ 16 a 16 … 4\W^\\\^^^^ }*Xsf:3 WITNESSES: o£.0U*~JLZ~JLPhonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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