Inside Out Library

[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 134

An illustration from [Graphophone patents], 1878, leaf 134
T. KRAEMER. TALKING MACHINE MECHANISM. APPLICATION FILED JUNE 3, 1908. Patented Mar. 2, 1909. 913,828. … mi Honrnts pin*] co , Washington, o. c

Phonograph · Patents

Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.

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