Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 279
![An illustration from [Graphophone patents], 1878, leaf 279](https://img.insideoutlibrary.com/img/1024/ia-graphophonepaten20unit-279-113.webp)
•= 1 88 Fjig.7. %6V T~] &r- A J?4 #6 23 Z6 i &7 -zs ~%3 J??g-9.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-graphophonepaten02unit-330-149.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-223-145.webp)