Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 535
![An illustration from [Graphophone patents], 1878, leaf 535](https://img.insideoutlibrary.com/img/1024/ia-graphophonepaten07unit-535-357.webp)
t^P Tx^L … WITNESSES: Inventor: ^ J^WbLPhonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
More pictures from [Graphophone patents]
More like this
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-995-452.webp)
