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Sperry, Elmer Ambrose
(Encyclopedia)Sperry, Elmer Ambrose, 1860–1930, American inventor, b. Cortland, N.Y. Although probably best known for his work on the gyroscope, he also invented the gyrocompass (1910), an extremely effective hig...McClure, Sir Robert John Le Mesurier
(Encyclopedia)McClure, Sir Robert John Le Mesurier, 1807–73, British arctic explorer. He entered the navy and in 1848 accompanied Sir James Clark Ross to the arctic. As a naval captain he was given command (1850)...Valentinian II
(Encyclopedia)Valentinian II, 371?–392, Roman emperor of the West (375–92), son of Valentinian I. Upon the death of his father, he was proclaimed emperor with his brother Gratian as coregent. After the death (3...Clapham, Sir John Harold
(Encyclopedia)Clapham, Sir John Harold klăpˈəm [key], 1873–1946, English economic historian. He was lecturer, professor and administrator at Cambridge from 1908 to 1943. Outstanding among his many works on Bri...Philips, Ambrose
(Encyclopedia)Philips, Ambrose, 1674–1749, English author. After resigning his fellowship from Cambridge in 1708, he moved to London and became known in the literary Whig coterie of Addison. He is principally rem...Rennie, John
(Encyclopedia)Rennie, John, 1761–1821, British civil engineer. In London he designed the Waterloo (1811–17) and Southwark (1815–19) bridges. London Bridge, also designed by him, was built (1824–31) by his s...Gratian, Roman emperor of the West
(Encyclopedia)Gratian grāˈshən [key], 359–83, Roman emperor of the West (375–83). At the death of his father, Valentinian I, he accepted the army's election of his brother, Valentinian II, as his colleague. ...Baker, Sir Benjamin
(Encyclopedia)Baker, Sir Benjamin, 1840–1907, English civil engineer. He helped build London's underground railway, Tower Bridge, and the Blackwall Tunnel, and with Sir John Fowler he designed and built the bridg...Chandos, Sir John
(Encyclopedia)Chandos, Sir John shănˈdŏs, chănˈ– [key], d. 1370, English soldier and administrator of English territories in France. A friend of Edward the Black Prince, he won distinction in the Hundred Yea...Nash, John
(Encyclopedia)Nash, John, 1752–1835, English architect; pupil of Sir Robert Taylor. After enjoying an extensive practice in Wales, he began to work c.1792 in London. His capacities were greatest in town planning,...Browse by Subject
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