United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 489
signed my 98.name to this specification, in the presenceof two subscribing witnesses. GEOEGE H. UNDEEHILL. Witnesses: Thomas B. Booth,Everett S. Emery. Copies of this patent may be obtained for five cents each, by addressing the Washington, D. C. Commissioner of Patents, GKAPHOPHONE PATENT* SOUND…
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents], 1878, leaf 489](https://img.insideoutlibrary.com/img/1024/ia-graphophonepaten15unit-489-279.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-361-249.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-799-365.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-540-231.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-1063-676.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-401-176.webp)
