Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 919
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Lucfien I,Itt<xkes, cJmxj^vtw THE NORMS PETERS CO., WASHINCTON. B.C. No. 852,648. PATENTED MAY 7, 1907.L. I. BLAKE.ART OF SUBMARINE SIGNALING. APPLICATION PILED JAN. 5, 1907. 2 SHEETS-SHEET 2.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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