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Walter, Thomas Ustick

(Encyclopedia)Walter, Thomas Ustick, 1804–87, American architect, b. Philadelphia. In 1819 he entered the office of William Strickland in Philadelphia as a student. In 1830 he began practice, the county prison (1...

Caslon, William

(Encyclopedia)Caslon, William kăzˈlən [key], 1692–1766, English type designer, b. Worcestershire. He worked first in London as an engraver of gunlocks, then set up his own foundry in 1716. The merits of Caslon...

catamaran

(Encyclopedia)catamaran kătˌəmərănˈ [key], watercraft made up of two connected hulls or a single hull with two parallel keels. Originally used by the natives of Polynesia, the catamaran design was adopted by ...

World's Columbian Exposition

(Encyclopedia)World's Columbian Exposition, held at Chicago, May–Nov., 1893, in commemoration of the 400th anniversary of the discovery of America by Christopher Columbus. Authorized (1890) by Congress, it was pl...

Stoddart, James Fraser

(Encyclopedia)Stoddart, James Fraser, 1942–, British chemist, Ph.D. Univ. of Edinburgh, 1966. He began his career at Sheffield Univ., England, in 1970, then moved to Birmingham Univ., England, in 1990, the Univ. ...

Zewail, Ahmed Hassan

(Encyclopedia)Zewail, Ahmed Hassan, 1946–2016, Egyptian-American chemist, b. Damanhur, Egypt, Ph.D. Univ. of Pennsylvania, 1974. He became a U.S. citizen in 1982. A professor at the California Institute of Techno...

Candela, Felix

(Encyclopedia)Candela, Felix (Félix Candela Outeriño) fāˈlēks kändāˈlä [key], 1910–97, Mexican-American architect, b. Madrid. Candela studied in Madrid but was forced to flee Spain after his participatio...

capacitance

(Encyclopedia)capacitance, in electricity, capability of a body, system, circuit, or device for storing electric charge. Capacitance is expressed as the ratio of stored charge in coulombs to the impressed potential...

bobbin

(Encyclopedia)bobbin, implement on which thread is wound, used in sewing, spinning, weaving, and lace making. Sometimes the wooden spools of sewing thread are called bobbins. The bobbin of a sewing machine is a met...

Zlín

(Encyclopedia)Zlín zlēn [key], city (1991 pop. 84,522), E Czech Republic, in Moravia, on the Dřevnice River. It is the center of the Czech shoe industry, which was founded in 1913 by Thomas Bata. Under the Bata ...