United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 484
THE NATIONAL LlTHOGRAPHINtt 1 (No Model.) No. 519,614. 5 Sheets—Sheet 4. S. D. McKELYEY. PHONOGRAPH. Patented May 8, 1894. … INVENTOR ^6,^iyu.€AjQ ^c^^fe^^y NATIONAL LITHOQRAPHINWASHINfiTON. O. C (No Model.) No. 519,614. S. D. McKELVEY, PHONOGRAPH. 5 Sheets—Sheet 5. Patented May 8, 1894.
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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