CHLADNI, ERNST FLORENS FRIEDRICH. Die Akustik. Leipzig: Breitkopf and Hrtel, 1802. Engraved portrait title vignette and 11 engraved plates. 4to, contemporary wrappers, uncut, rebacked; light browning and staining; cloth folding case. FIRST EDITION. "Chladni, professor of physics in Breslau, was the first to reduce the general association between vibration and pitch to a tabular basis and thus to lay the foundation of the modern science of acoustics. His first results were reported in 'New Discoveries in the Theory of Sound,' 1787 and were greatly enlarged in 'Acoustics' 1802." PMM 233b; Sparrow Milestones of Science 38; Norman 481.