United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 1207
COLUMBIA PLANOORAPH CO., WASHINGTON, U. C. M. DE PEZZER. INDICATING DEVICE FOR PHONOGRAPHY AND ITS APPLICATION, APPLICATION FILED JULY 26, 1910. 1,166,115. Patented Dec. 28, 1915. 6 SHEETS-SHEET 2. t=r^> … fr<r\+.,f<n-. i tis—i*<^-vyt COLUMBIA J- <).. WASHINGTON, H. C 1,166,115. M. DE PEZZER.NDICATING DEVICE FOR PHONOGRAPHY AND ITS APPLICATION. APPLICATION FILED JULY 26, 1910.
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents], 1878, leaf 1207](https://img.insideoutlibrary.com/img/1024/ia-graphophonepaten15unit-1207-616.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-44-15.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-123-41.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-509-230.webp)
