United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 542
No. 648.659. Patented Mav I. S900. J. E. EVARD. PHONOGRAPHO-TELEPHONIC ANNOUNCER. (Application filed July 8, 1898.) (No Model.) 6 Sheets— Sheet 6. … W/TN ESSES . INVENTOR ^^C John E.^uaTcL^ O c^ ^i-iyiS^ BY ATTORNEY.
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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