United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 244
Patented May 2, 1899. No. 624,059. T. H. MACDONALD. SOUND REPRODUCER FOR GRAPHOPHONES. (Application filed June 5, 1897.) (No Model.) … jp^iy-- -£ jf^i^. 2 '^T^^^&O ^ d/A^^ The morris petchs cc . photo-litmo..
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
![An illustration from [Graphophone patents], 1878, leaf 244](https://img.insideoutlibrary.com/img/1024/ia-graphophonepaten03unit-244-0.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-447-299.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten05unit-278-0.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-260-107.webp)
