United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 52
(No Model.) 2 Sheets— Sheet 2. T. L. DENNIS, Jr. PHONOGRAPH. No. 590,643. Patented Sept. 28, 1897. ^* ^ ^• y o A … AHORNEY. , PMOTO-LITmO . WWMINGTON I
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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