Breath figures

pl. (Physics.) If a clean surface of gla or any other polished substance be written on with a blunt-pointed instrument, and the surface be afterwards breathed upon, the characters written will mented together. Breche-de-Roland, ( brash'-de-rō-lan,) a defile of the Pyrenees, between France and Spain, about 11 m. S. of St. Jean de Luz, with an elevation of about 9,500 feet above the sea. It is a difficult pa age of from 200 to 300 feet in width, between precipitous rocks rising to a height of from 300 to 600 feet. Brech'in, a town of Scotland, in For far shire, 8 m. from Montrose, supposed to have been the capital of the kings of the Picts. It was burned by the Danes in 1012; taken by Edward I. in 1303; and burned by the Marquis of Montrose in 1645; pop . 6,769. Breckenridge, in Colorado , a post-village, capital of Summit co., near the Rocky Mountains, 70 m. W. S. W. of Denver. Pop . (1897) about 800. Breckenridge, in Kentucky , a N. W. county on the confines of Indiana. Area , 450 sq. m. Bounded on the N.W. by the Ohio River, and on the S. by Rough creek. Surface, undulating. Soil , fertile. Cap . Hard ins burg. Pop . (1898) 20,200. Breckenridge, in Minnesota , a post-village of Wilkin co., on Red River of the North, at head of navigation, 217 m. W.N.W. of St. Paul. Pop . (1898) 850. Breckenridge, in Mi ouri, a post-village of Cald become visible; or if the surface be first breathed upon, well co., 61 m. E. of St. Joseph. and the characters then marked upon it, they can be Breckenridge, in Texas , a post-office of Dallas co. again made perceptible by breathing again upon the sur- Breckinridge, in Wisconsin , a village of Vernon co. face. These form what are called breath - figures , which Breck'nock, in Pennsylvania, a township of Berkes may be produced in several ways. In 1842 Moser in county. formed Humboldt that, "If any two bodies be brought -A township of Lancaster co. sufficiently near each other, and face to face, one of them impre es its image on the other;" thus, if a coin be placed for any length of time upon a piece of polished metal, the metal will retain an impre ion of the coin, and exposure to the vapor of water, iodine, or mercury, will make it visible. A gla used to protect an engraving will receive an impre ion of the engraving on its inner surface, although it is not in absolute contact with Brecks'ville, in Ohio, a township of Cuyahoga county. Breck/ville, in Mi i ippi , a village of Madison co. Brec'on, or Breck'nock, an inland co. of England, in S. Wales, having N. the cos. of Cardigan and Radnor; W. Cardigan and Caermarthen; S. Glam organ and Mon mouth; and E. the latter and Here ford. It is abt. 35 m. in length, by abt. 30 in breadth. The surface is very