United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 262
^-i^^ a-UlTHO., WASHINOTON, D. C (No Model.) 4 Sheets—Sheet 4. J. H. LINa. COIN OPERATED MECHANISM FOR PHONOGRAPHS. No. 495,557. Patented Apr. 18, 1893.
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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