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[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 583
![An illustration from [Graphophone patents], 1878, leaf 583](https://img.insideoutlibrary.com/img/1024/ia-graphophonepaten20unit-583-261.webp)
£3 29 £1 Fig. 5. Fig. 7. Fig.6. … fjtvuento-t £8 36 & 31 ^Ac^ C>i^vU^«<?Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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