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harmonic

(Encyclopedia) harmonic. 1 Physical term describing the vibration in segments of a sound-producing body (see sound). A string vibrates simultaneously in its whole length and in segments of halves,…

Wilson, Charles Erwin

(Encyclopedia) Wilson, Charles Erwin, 1890–1961, American industrialist and cabinet officer, b. Minerva, Ohio. He was an electrical engineer with Westinghouse Electric and Manufacturing Company from…

American Fur Company

(Encyclopedia) American Fur Company, chartered by John Jacob Astor (1763–1848) in 1808 to compete with the great fur-trading companies in Canada—the North West Company and the Hudson's Bay Company.…

manor house

(Encyclopedia) manor house, dwelling house of the feudal lord of a manor, occupied by him only on occasional visits if he held many manors. Although not built specifically for fortification as…

Hammer, Armand

(Encyclopedia) Hammer, Armand, 1898–1990, American business executive, b. New York City. He began in his father's pharmaceutical business and then expanded it into the Soviet Union. He returned (1930…

Pan-American Union

(Encyclopedia) Pan-American Union, former name for the General Secretariat of the Organization of American States (OAS). It was founded (1889–90) at the first of the modern Inter-American Conferences…

Carrier, Willis Haviland

(Encyclopedia) Carrier, Willis Haviland, 1876–1950, American engineer who played a key role in inventing air conditioning, b. Angola, N.Y., grad. Cornell (M.E. 1901). Working for the Buffalo Forge Co…

Babiš, Andrej

(Encyclopedia) Babiš, Andrej, 1954–, Czech political leader and business executive, b. Bratislava, Czechoslovakia (now in Slovakia), grad. Univ. of Economics, Bratislava. He was a petrochemical…

Mount Vernon, estate, United States

(Encyclopedia) Mount Vernon, NE Va., overlooking the Potomac River near Alexandria, S of Washington, D.C.; home of George Washington from 1747 until his death in 1799. The land was patented in 1674,…

bus

(Encyclopedia) bus [Lat. omnibus=for all], large public conveyance. A horse-drawn urban omnibus was introduced in Paris in 1662 by Blaise Pascal and his associates, but it remained in operation for…