Chasing, or Enchasing

( Fine Arts.) The art of embo ing or making ba i-relievi in metals. The work is punched out from the back, and then cut on steel blocks or puncheons, and cleared with small chisels and gravers. Much C. is done by filling the ve el to be chased with a composition of pitch, and then hammering with a point and chisel on the outside. Chaska, in Minnesota , a post-village of Carver co. Chasles, MICHEL, ( shal ,) a distinguished French geometrician, who, by his power of generalization, greatly simplified and extended the most important theories. B. at Epernon, 1793, he was in 1841 appointed profe or of astronomy and of applied mechanics in the Polytechnic school, and in 1846 was called to the chair of higher geometry, which was instituted in the Faculty of Sciences. In 1851 he was elected a member of the Academy of Sciences, and in 1854 was chosen a member of the Royal Society of London. D. Dec. 1880.