Columbia Encyclopedia

Search results

500 results found

Confederation, Articles of

(Encyclopedia)Confederation, Articles of, in U.S. history, ratified in 1781 and superseded by the Constitution of the United States in 1789. The imperative need for unity among the new states created by the America...

corvée

(Encyclopedia)corvée kôrvāˈ [key], under the feudal system, compulsory, unpaid labor demanded by a lord or king and the system of such labor in general. There were national and local variations, but in broad te...

control systems

(Encyclopedia)control systems, combinations of components (electrical, mechanical, thermal, or hydraulic) that act together to maintain actual system performance close to a desired set of performance specifications...

Leland, Charles Godfrey

(Encyclopedia)Leland, Charles Godfrey hänsˈ brītmän [key], 1824–1903, American author, b. Philadelphia, grad. College of New Jersey (now Princeton), 1845, studied at Heidelberg, Munich, and Paris. While edito...

Keating, Charles Humphrey, Jr.

(Encyclopedia)Keating, Charles Humphrey, Jr., 1923–2014, American banker, b. Cincinnati, grad. Univ. of Cincinnati College of Law (1948). Keating was a partner (1952–72) in a law firm he founded with his brothe...

McIntosh, Lachlan

(Encyclopedia)McIntosh, Lachlan măkˈəntŏshˌ [key], 1725–1806, American Revolutionary general, b. Scotland. He was brought as a child to a Scottish settlement, which is now Darien, Ga. In 1776 he joined the ...

Hancock, John

(Encyclopedia)Hancock, John, 1737–93, political leader in the American Revolution, signer of the Declaration of Independence, b. Braintree, Mass. From an uncle he inherited Boston's leading mercantile firm, and n...

Grand Banks

(Encyclopedia)Grand Banks, submarine plateau rising from the continental shelf, c.36,000 sq mi (93,200 sq km), off SE Newfoundland, N.L., Canada. It is c.300 mi (480 km) long and c.400 mi (640 km) wide; depths rang...

Kalb, Johann

(Encyclopedia)Kalb, Johann Ger. yōˈhän kälp [key], 1721–80, American general in the Revolution, known generally as Baron de Kalb, b. Hüttendorf, Germany. He assumed his title for military reasons and as Jean...

Ettwein, John

(Encyclopedia)Ettwein, John ĕtˈvīn [key], 1721–1802, German-American churchman, leader and bishop of the Moravian Church in the United States. He came to America from Germany in 1754 as a missionary. In his mi...