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British thermal unit

(Encyclopedia)British thermal unit, abbr. Btu, unit for measuring heat quantity in the customary system of English units of measurement, equal to the amount of heat required to raise the temperature of one pound of...

John Birch Society

(Encyclopedia)John Birch Society, ultraconservative, anti-Communist organization in the United States. It was founded in Dec., 1958, by manufacturer Robert Welch, headquartered in Belmont, Mass., and named after Jo...

Bute, John Stuart, 3d earl of

(Encyclopedia)Bute, John Stuart, 3d earl of byo͞ot [key], 1713–92, British politician. He was prominent as a friend of Frederick Louis, prince of Wales, as early as 1747 and became the tutor of Frederick's impre...

Tooke, John Horne

(Encyclopedia)Tooke, John Horne, 1736–1812, English radical politician and philologist. Born John Horne, he adopted the name Tooke in 1782 after being designated heir to the estate of a rich friend, William Tooke...

Pye, John

(Encyclopedia)Pye, John, 1782–1874, English engraver, founder of modern landscape engraving. As an illustrator for popular art annuals, he executed plates for landscapes by J. M. W. Turner, Claude Lorrain, and Ga...

Byng, John

(Encyclopedia)Byng, John, 1704–57, British admiral; son of George Byng, Viscount Torrington. Sent (1756) to prevent the French from taking Minorca, he arrived when the island was already under siege and, after an...

Byron, John

(Encyclopedia)Byron, John, 1723–86, British vice admiral and explorer. Sailing in 1740 with Admiral George Anson on a voyage around the world, he was shipwrecked off Chile. His Narrative of Great Distresses on th...

Porteous, John

(Encyclopedia)Porteous, John pôrˈtēəs [key], d. 1736, British soldier. He was captain of the Edinburgh town guard at the execution (1736) of Andrew Wilson, a smuggler. When the crowd, which was sympathetic to W...

Penry, John

(Encyclopedia)Penry, John, 1559–93, British Puritan author, an instigator of the Marprelate controversy, b. Wales, grad. Cambridge and Oxford. While at college he became an ardent Puritan. In 1587 his pamphlet as...

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