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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 215

An illustration from [Graphophone patents], 1878, leaf 215
ATTORNEY: V a«MMMM CO. MOKMfTMOOIWMIil* « C. VOGT. TALKING MACHINE. APPLIOATION FILES HAB. 29, 1905. 951,158. Patented Mar. 8,1910. 2 8H££T8-8E££T 2. ^-^^^ … Witnesses I^ INVENTOR:

Phonograph · Patents

Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.

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