United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 729
ATTORNEY COLUMBIA PLANOORAPH CO., WASHINGTON, D. C. ) W. N. DENNISON.TALKING MACHINE. APPLICATION FILED MAR. 28, 1912. 1,150,347. Patented Aug. 17, 1915. 3 SHEETS-SHEET 2. Jozg. <3. … && &3 J^/tgr. 7.
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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