Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 423
![An illustration from [Graphophone patents], 1878, leaf 423](https://img.insideoutlibrary.com/img/1024/ia-graphophonepaten15unit-423-245.webp)
^^y^^^r^ z^ &o 7-. WITNESSES: … £0 -43 -X&XT.5 tf INVENTOR a/Zl4C**4.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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