Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 723
![An illustration from [Graphophone patents], 1878, leaf 723](https://img.insideoutlibrary.com/img/1024/ia-graphophonepaten20unit-723-326.webp)
1918. 3 SHEETS—SHEET 1. J^dgr.l. … M/TM£SS£S,Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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