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fire clay

(Encyclopedia)fire clay, clay that has a high degree of resistance to heat. By the best standards it should have a fusion point higher than 1,600℃. The term “fire clay” is commonly held to exclude kaolin and ...

boulder clay

(Encyclopedia)boulder clay: see drift.

Raeburn, Sir Henry

(Encyclopedia)Raeburn, Sir Henry rāˈbərn [key], 1756–1823, Scottish portrait painter, b. near Edinburgh. He was apprenticed to a goldsmith at 15 and he showed considerable talent. In 1784 he went to London and...

Duveen, Joseph, 1st Baron Duveen of Millbank

(Encyclopedia)Duveen, Joseph, 1st Baron Duveen of Millbank dyo͝ovēnˈ, do͞o– [key], 1869–1939, English art dealer, b. Hull. Beginning his career (1886) in his father's antiques firm, Duveen Brothers, he soon...

Moore, Henry

(Encyclopedia)Moore, Henry, 1898–1986, English sculptor. Moore's early sculpture was angular and rough, strongly influenced by pre-Columbian art. About 1928 he evolved a more personal style which has gained him a...

Clay, Cassius Marcellus

(Encyclopedia)Clay, Cassius Marcellus, 1810–1903, American politician and diplomat, b. Madison co., Ky. Although he came from a slaveholding family, Clay early came to abhor the institution of slavery. In 1845 he...

Clay, Clement Claiborne

(Encyclopedia)Clay, Clement Claiborne, 1816–82, U.S. Senator (1853–61), b. Huntsville, Ala. A legislator and then a judge in his native state, he was twice elected to the U.S. Senate and became an ardent defend...

Clay, Lucius DuBignon

(Encyclopedia)Clay, Lucius DuBignon dəbĭnˈyən, dübēnyôNˈ [key], 1897–1978, American general, b. Marietta, Ga. A graduate of West Point and an engineering officer, he held many army administrative posts an...

Harrison, William Henry

(Encyclopedia)Harrison, William Henry, 1773–1841, 9th President of the United States (Mar. 4–Apr. 4, 1841), b. “Berkeley,” Charles City co., Va.; son of Benjamin Harrison (1726?–1791) and grandfather of B...

Homestead strike

(Encyclopedia)Homestead strike, in U.S. history, a bitterly fought labor dispute. On June 29, 1892, workers belonging to the Amalgamated Association of Iron and Steel Workers struck the Carnegie Steel Company at Ho...