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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1015

An illustration from [Graphophone patents], 1878, leaf 1015
_/72&&?e&0ir•/ -Zf. -<>^-v_ ^S% THE NORRt£ PETERS CO., WASHINGTON, D. C No. 855,605. PATENTED JUNE 4, 1907. J. W. AYLSWORTH.PROCESS OF MAKING DUPLICATE PHONOGRAPH RECORDS. APPLICATION FILED MAY 11, 1906. 2 SHEETS-SHEET 2. *> •^V N ^ e* $ … n

Phonograph · Patents

Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.

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