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wind instrument

(Encyclopedia) CE5 Wind instruments wind instrument, in music, any instrument whose tone is produced by a vibrating column of air. In the pipe organ the column of air is set into vibration by…

tin

(Encyclopedia) tin, metallic chemical element; symbol Sn [Lat. stannum]; at. no. 50; at. wt. 118.710; m.p. 231.9681℃; b.p. 2,270℃; sp. gr. 5.75 (gray), 7.3 (white); valence +2 or +4. Tin exhibits…

Revere, Paul

(Encyclopedia) Revere, Paul, 1735–1818, American silversmith and political leader in the American Revolution, b. Boston. In his father's smithy he learned to work gold and silver, and he became a…

Selected Biographies: G

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z More Biographies Don't see the biography you're looking for? Search 30,000+ biographies Biographies…

Members of Congress: Colorado, Congress,

Biographies of U.S. representatives and senators from Colorado Member Name Birth-Death ADAMS, Alva Blanchard 1875-1941 ALLARD, A. Wayne 1943-  ALLOTT, Gordon Llewellyn 1907-1989…

Famous Firsts in Aviation

Cayley's Helicopter Wilbur and Orville Wright with their second powered machine. Source: Library…

Johnston, Joseph Eggleston

(Encyclopedia) Johnston, Joseph Eggleston, 1807–91, Confederate general, b. Prince Edward co., Va., grad. West Point, 1829. He served against the Seminole in Florida and with distinction under…