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cloud chamber
(Encyclopedia)cloud chamber, device used to detect elementary particles and other ionizing radiation. A cloud chamber consists essentially of a closed container filled with a supersaturated vapor, e.g., water in ai...Lee, Rowland
(Encyclopedia)Lee or Legh, Rowland both: lē [key], d. 1543, English bishop. Educated at Cambridge, he received preferments under the patronage of Cardinal Wolsey, who employed him in the suppression of the monaste...Poynings, Sir Edward
(Encyclopedia)Poynings, Sir Edward, 1459–1521, English statesman. After taking part in an insurrection (1483) against Richard III, he fled to the Continent, where he joined the followers of Henry Tudor, earl of R...Juana la Beltraneja
(Encyclopedia)Juana la Beltraneja hwäˈnä lä bĕltränāˈhä [key], 1462–1530, Castilian princess, daughter of Juana of Portugal, queen of Henry IV of Castile. Her paternity was generally attributed to the co...Norfolk, Thomas Howard, 2d duke of
(Encyclopedia)Norfolk, Thomas Howard, 2d duke of, 1443–1524, English nobleman, son of John Howard, 1st duke of Norfolk. He fought at the battle of Bosworth (1485) in which his father was killed. He himself was ca...Constance, Holy Roman empress
(Encyclopedia)Constance, 1154–98, Holy Roman empress, wife of Holy Roman Emperor Henry VI; daughter of King Roger II of Sicily. She was named heiress of Sicily by her nephew King William II. On his death, however...Wallace, Henry
(Encyclopedia)Wallace, Henry, 1836–1916, American agricultural leader, b. West Newton, Pa., grad. Jefferson (later Washington and Jefferson) College, 1859. He studied (1861–63) theology and went (1863) to Iowa ...Barons' War
(Encyclopedia)Barons' War, in English history, war of 1263–67 between King Henry III and his barons. In 1261, Henry III renounced the Provisions of Oxford (1258) and the Provisions of Westminster (1259), which ha...Louis VII, king of France
(Encyclopedia)Louis VII (Louis the Young), c.1120–1180, king of France (1137–80), son and successor of King Louis VI. Before his accession he married Eleanor of Aquitaine. A controversy with Pope Innocent II ov...Henry the Navigator
(Encyclopedia)Henry the Navigator, 1394–1460, prince of Portugal, patron of exploration. Because he fought with extraordinary valor in the Portuguese conquest of Ceuta (1415), he was created duke of Viseu by his ...Browse by Subject
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