CHLADNI, ERNST FLORENS FRIEDRICH. 1756-1827.
Die Akustik. Leipzig: Breitkopf & Härtel, 1802. 4to (234 x 198 mm). xxxii [but xxx], 304, , 305-310 pp. 11 engraved plates, engraved author portrait on the title by J.W. Bollinger. Period half sheep. Text leaf a4 lacking (neatly excised), some modest toning and a few spots, corners and spine ends chipped.
FIRST EDITION OF THE FIRST SCIENTIFIC WORK ON ACOUSTICS. Chladni, a professor of physics in Breslau, was the first to mathematically analyze sound waves. The 11 plates depict "Chladni figures," the patterns which appear when metal plates covered with sand are made to vibrate. PMM 233b.