United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1047
WITNESSES J^e^G/^r^Y^ _ BY INVENTOR uzz^:, -^3^^^Jl£.lU<^l^/^Xi ATTORNEY. COLUMBIA PLANOGBAPH CO., WASHINGTON. D. C. W. ROTTER. APPARATUS FOR MAKING PHONOGRAPH RECORDS. APPLICATION FILED NOV. 19. 1910. 1,162,256. Patented Nov. 30, 1915. 4 SHEETS—SHEET 4. … WITNESSES
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents], 1878, leaf 1047](https://img.insideoutlibrary.com/img/1024/ia-graphophonepaten15unit-1047-546.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-763-515.webp)
