Replica of Scott's 1859 cylinder phonautograph: Invented by Édouard-Léon Scott de Martinville, the original built by him and Rudolph Koenig in Paris, France in 1859. This object is a replica based on historic More
Koenig - klankanalysator purchased by the Teylers Museum to complement their Koenig collection in 1996 Koenig's apparatus for the analysis of sound: the first spectrum analyzer
Rudolph Koenig's sound synthesiser after Helmholtz, as pictured in his 1889 price list.
A resonator unit from Rudolph Koenig's sound synthesiser after Helmholtz, as pictured in his 1865 price list.
Exhibit in the Putnam Gallery - Harvard University - Cambridge, Massachusetts, USA.
Exhibit in the Putnam Gallery - Harvard University - Cambridge, Massachusetts, USA. Public domain photograph related to electric instruments, free to use, no copyright restrictions image - Picryl description
A phonautograph, designed by Édouard-Léon Scott de Martinville and built by Rudolph Koenig Français : Un phonautographe, conçu par Édouard-Léon Scott de Martinville et construit par Rudolph Koenig
Rudolph Koenig