United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 419
dinally mov-able thereon, and in frictional engagementtherewith, said spider being adapted to en- ]oognge the inner wall of a cylindrical record,and a spring-pressed tension rod arrangedlongitudinally in the spider and adapted toturn on its axis, said rod having a finger toengage the end of a… … ¥ilness_es: lurgntor;
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents], 1878, leaf 419](https://img.insideoutlibrary.com/img/1024/ia-graphophonepaten10unit-419-292.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-755-490.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-225-88.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-1213-623.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-47-43.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-742-317.webp)