Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 833
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Witnesses: #. Ouu^C I q vector. *£-»**«//£ &tfy! *&# hs nouhis pints co . washikotox. d. c No. 848,687. PATENTED APR. 2, 1907. C. RIDDERHOF.PHONOGRAPH. APPLICATION FILED SEPT. 27, 1905. 3SHEET8-8HEET 3. … Witnesses: By iQverjtop,&tfy/Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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