Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 132
![An illustration from [Graphophone patents], 1878, leaf 132](https://img.insideoutlibrary.com/img/1024/ia-graphophonepaten02unit-132-51.webp)
-J^i^ ^■ … WITNESSES: ^. G>iiJC^CSy0^^^^e^ \Phonograph · 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-graphophonepaten15unit-221-141.webp)
