Columbia Encyclopedia

(Encyclopedia) Vaud vō [key], Ger. Waadt, canton (1993 pop. 593,000), 1,239 sq mi (3,209 sq km), W Switzerland. Lausanne is the capital. Bordering on France in the west, it lies roughly between the Lake of Geneva, ...

(Encyclopedia) tempering, process involving slow and moderate heating to increase the hardness and toughness of metals that have undergone previous heat treatment. Metals are usually hardened (see hardening) by bein...

(Encyclopedia) trachoma trəkōˈmə [key], infection of the mucous membrane of the eyelids caused by the bacterium Chlamydia trachomatis. Trachoma affects at least 86 million people worldwide. An estimated 1.9 mill...

(Encyclopedia) Perth, town (1991 pop. 41,916), Perth and Kinross, central Scotland, on the Tay River. It was called St. Johnstoun until the 17th cent. Perth is famous for its dye works and cattle markets. Other indu...

(Encyclopedia) Bunsen, Robert Wilhelm bŭnˈsən, Ger. rōˈbĕrt vĭlˈhĕlm bo͝onˈzən [key], 1811–99, German scientist, educated at the Univ. of Göttingen, where he received his doctorate in 1830. He served ...

(Encyclopedia) Zenger, John Peter zĕngˈər [key], 1697–1746, American journalist, b. Germany. He emigrated to America in 1710 and was trained in the printing trade by the pioneer printer William Bradford. Zenger...

(Encyclopedia) Liebling, A. J. (Abbott Joseph Liebling), 1904–63, American journalist, b. New York City. He left Dartmouth, attended the Columbia School of Journalism, and wrote for the Providence, R.I. Evening Bu...

(Encyclopedia) Liberal party, Canadian political party. Prior to confederation in 1867, reform parties advocating greater local participation in provincial governments, free trade, and increased separation of church...

(Encyclopedia) Luce, Henry Robinson, 1898–1967, American publisher, b. Tengchow (now Penglai), China, the son of a Presbyterian missionary. After studying at Yale and Oxford, he worked (1921–22) as a reporter on...

(Encyclopedia) Sheffield plate, metalware of copper, silver-plated by fusion, originated at Sheffield, England. This process of plating was discovered c.1742 by a Sheffield cutler, Thomas Boulsover, who found while ...