United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 480
^^_,^^ C^.^^:^. INVENTOR THE NATIONAL LITHOGRAPMINO COP*f>ANY.WASH1NOTON. D. C. (No Model.) No. 519,614. S. D. McKELYEY. PHONOGRAPH. 5 Sheets—Sheet 2. Patented May 8, 1894. … ^^^^
Phonograph · Patents
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