Jules Antoine Lissajous was a high-school teacher, then held prestigious administrative posts in the education system of various parts of France. He had trained in physics, and defended his dissertation on vibratory phenomena in 1850.
Fondazione Scienza e Tecnica,. (17 August 2015AD) 2015. “Sounds, Vibrations, And Marloye's Harp”. Florence, Italy: Fondazione Scienza e Tecnica. https://www.youtube.com/watch?v=Dro3_nwwUcI&list=PLslExxbg3O-fAeclmcjO0LId_xADwxalv&index=5.
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