Hear the First Recording of the Human Voice (1860) | Open Culture

When inventor Édouard-Léon Scott de Martinville sang a nursery rhyme into his phonoautogram in 1860, he had no plans on ever playing this recording back. A precursor to the wax cylinder, the phonoautogram took inputs for the study of sound waves, but could not be turned into an output device.

Source: Hear the First Recording of the Human Voice (1860) | Open Culture