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2020-12-18 05:37:00
Chladni, Ernst Florens Friedrich
Die Akustik bearbeit von Ernst Forens Friedrich Chladni. + Neue Beyträge zur Akustik. 2 Bde.
Leipzig, bey Breitkopf und Härtel, 1802, 4°, (2k), XXXII, 310 pp., 11 Kupfertafeln, als 12 Kufper gilt das Titelkupfer; Leipzig, bey Breitkopf und Härtel, XII, 90 pp., 1 Blatt Druckfehler, 10 Kupfertafeln, 2 feine Pappbände. First Edition! Both volumes found rarely together. "The work is the consummation of Chladni's classical researches in the theory of sound, he covered thin plates with sand and then set them to vibraiting by drawing a violin bow along their edges. The pattern that formed, known as "Chladni's Figures", helped to define the shape assumed by vibrating plates. Chladnis based his work on the mathematical investigations of the Bernoulis, Euler and Lagrange, and his study is a cornerstone of modern acoustics." "Timoshenko credits this work with arousing great interest in the theory of plates noting that Chladni's experiments showed the "Existence of nodal lines for various modes of its (a plate's) motion " and determined the corresponding frequencies." The chapters of the book deal with numerical relationships of vibrations, vibrations of sound-producing bodies, propagation of sound, and the physiology of sound (both human and animal," Bibliotheca Mechanica, pp. 70-71 Ernst Florens Friedrich Chladni (1756.1827), was a German physicist who originally studied law at Leipzig. He received a degree in 1782; but after the death of his father he turned to science, choosing acoustics as his particular area of experimental investigations. His choice was almost certainly influenced by his interest in music. As amateur musician, Chladni designed and constructed two keyboa … [Click Below for Full Description]
Bookseller: Antiq. F.-D. Söhn - Medicusbooks.Com [Marburg, Germany]
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