United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 109
Jtvwwtor Joseph JYX-Mc CaUte It NOHRIS PETERS CO.. PHOTO-LITHO . WASHINGTON. D. C. J. M. McOALLIE. ADDIOMETER.APPLICATION PILED MAY 3, 1912, 1,127,908. IT r > °Wvtn«6&«6 Patented Feb. 9,1915. 3 SHEETS-SHEET 2. JTTGzJT JLT … F^I&M W
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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