Through the construction of a simple apparatus, consisting of two pendulums -which oscillate at the same time- it is possible to graphically reproduce Lissajous’ experiments on the com-muting vibrations of the diapasons. This equipment was first built by Samuel Charles Tisley (London 1829-Unknown), under the name of harmonographer. Similar apparatuses were pro-duced in the nineteenth century and subsequently, a list -limited to the first nineteenth-century phase- is proposed in the contribution that illustrates the essential characteristics of the har-monograph. Born as a means of analysing vibrations- but which, by its principle belongs to mechanics, for its applications to acoustic science and geometry for the ability to draw a wide variety of “harmonious” curves, which in the paper are referred to as Lissajous curves “damped”.

Drawing the vibrations of sound

Arturo Gallozzi
;
2022-01-01

Abstract

Through the construction of a simple apparatus, consisting of two pendulums -which oscillate at the same time- it is possible to graphically reproduce Lissajous’ experiments on the com-muting vibrations of the diapasons. This equipment was first built by Samuel Charles Tisley (London 1829-Unknown), under the name of harmonographer. Similar apparatuses were pro-duced in the nineteenth century and subsequently, a list -limited to the first nineteenth-century phase- is proposed in the contribution that illustrates the essential characteristics of the har-monograph. Born as a means of analysing vibrations- but which, by its principle belongs to mechanics, for its applications to acoustic science and geometry for the ability to draw a wide variety of “harmonious” curves, which in the paper are referred to as Lissajous curves “damped”.
2022
978-3-030-98498-4
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11580/91669
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