Inside Out Library · Explore

[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 481

An illustration from [Graphophone patents], 1878, leaf 481
^r^.Si ^ … SHventop C/a/e/rce J^^/au^^

Phonograph · Patents

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

More pictures from [Graphophone patents]

More like this