Inside Out Library

[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 65

An illustration from [Graphophone patents], 1878, leaf 65
r*9.?. mtumltxi* M«««W««««M« s i 2^i 3h I

Phonograph · Patents

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

More pictures from [Graphophone patents]

More like this