United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 971
COLUMBIA PLANOGRAPH CO., WASHINGTON, D. C. J. H. J. HAINES.MACHINE FOR RECORDING AND REPRODUCING SOUND. APPLICATION FILED JUNE 25, 1909. 1,158,917. Patented Nov. 2, 1915. I&M. 6 SHEETS-SHEET 6. 8/ … 97
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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