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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 806
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H. R. STUART. TELEGBAPHONE. APPLICATION PILED MAE. 21, 1908, Patented Oct. 12, 1909. 936,490. Jfy.l. … Jfy.J. J L.J 7§Z Z. g^^ jty.d*. cJni>c-n/tot- 'tt'nca^ea 'TfeZteTkSA^ ICW 0 OMMAM 00. PHOTO- UTnOG*A»tlt*S. WUtCMQTOM. 0 <Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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