Keywords: Phonautogram - Scott 1859.jpg en Detail of a phonautogram made by Édouard-Léon Scott de Martinville ca 1859 fr Détail d'un phonautogramme réalisé par Édouard-Léon Scott de Martinville en ou peu avant 1859 Certificate of addition to Scott de Martinville's patent 31470 dated 29 July 1859 and preserved by INPI the French patent office Downloaded from http //www firstsounds org/press/032708/images/print/Scott-1859-10---lift-and-mu jpg firstsounds org Édouard-Léon Scott de Martinville 1817 “1879 ca 1859 PD-old-100 Phonautographs |