United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 552
No. 785,316. PATENTED MAR. 21, 1905. G. A. MANWARING, V. H. EMERSON, E. E, NORTON & F. L. OAPPS. PRODUCTION OF SOUND RECORDS. APPLICATION FILED APE. 14, 1904 … &e jy j? 2T duDeHfoi^
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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