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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...

Rodgers, John, 1812–82, American naval officer

(Encyclopedia)Rodgers, John, 1812–82, American naval officer, b. Harford co., Md.; son of John Rodgers. He became (1828) a midshipman and saw varied service. He conducted (1852–56) exploring expeditions in the ...

Constitution, ship

(Encyclopedia)Constitution, U.S. 44-gun frigate, nicknamed Old Ironsides. It is perhaps the most famous vessel in the history of the U.S. navy. Authorized by Congress in 1794, the ship was launched in 1797 and was ...

British Columbia, University of

(Encyclopedia)British Columbia, University of, at Vancouver, British Columbia, Canada; provincially supported; coeducational; chartered 1908, opened 1915. It has faculties of arts, science, graduate studies, applie...

East India Company, British

(Encyclopedia)East India Company, British, 1600–1874, company chartered by Queen Elizabeth I for trade with Asia. The original object of the group of merchants involved was to break the Dutch monopoly of the spic...

British North America Act

(Encyclopedia)British North America Act, law passed by the British Parliament in 1867 that provided for the unification of the Canadian provinces into the dominion of Canada. Until 1982 the act also functioned as t...

corvette

(Encyclopedia)corvette, small warship, classed between a frigate and a sloop-of-war. Corvettes usually were flush-decked and carried fewer than 28 guns. They were widely employed in escorting convoys and attacking ...

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