United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 250
S PETERS CO., PHOTO-LITHO.. WASHINGTON, D. C. I (No Model.) No. 494,807, E. E. FLORA. COIN OPERATED PHONOGRAPH. 3 Sheets—Sheet 3. Patented Apr. 4, 1893. … TMe NOflRlS PETERS CO. PHOTO-UTHO.. WASHINGTON. D. C United States Patent Office. ELLSWORTH E. FLORA, OF CHICAGO, ILLINOIS, ASSIGNOR TO GEORGE B. HOIT. COIN-OPERATED PHONOGRAPH. SPECIFICATION forming part of Letters Patent No. 494,807, dated April 4, 1893. Application filed May 5,1890. Serial No.…
Phonograph · Patents
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