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felt

(Encyclopedia)felt, fabric made by matting or felting together wool, hair, or fur, most of which have a natural tendency to snarl or cling together owing to their notched or scaly surfaces. Processes of manufacture...

Hooke, Robert

(Encyclopedia)Hooke, Robert ho͝ok [key], 1635–1703, English physicist, mathematician, and inventor. He became curator of experiments for the Royal Society (1662), professor of geometry at Gresham College (1665),...

Khabarovsk

(Encyclopedia)Khabarovsk khəbäˈrəfsk, khəbərôfskˈ [key], city (1989 pop. 601,000), capital of Khabarovsk Territory and the administrative center of the Far Eastern federal district, Russian Far East, on the...

Lanzhou

(Encyclopedia)Lanzhou or Lanchow both: länˈjōˈ [key], city (1994 est. pop. 1,295,600), capital of Gansu prov., W China, on the Huang He (Yellow River) at its confluence with the Wei. It is a rail, highway, and ...

Kantrowitz, Adrian

(Encyclopedia)Kantrowitz, Adrian kănˈtrəwĭtsˌ [key], 1918–2008, American surgeon, b. New York City, grad. New York Univ. (1940). The son of a physician, Kantrowitz received his M.D. from the Long Island Coll...

Arezzo

(Encyclopedia)Arezzo ärĕtˈtsō [key], city, capital of Arezzo prov., Tuscany, central Italy. It is an agricultural trade center and has machine, clothing, gold, and jewelry industrie...

Pasco

(Encyclopedia)Pasco păsˈkō [key], city (1990 pop. 20,337), seat of Franklin co., SE Wash., on the Columbia River near its confluence with the Snake and Yakima rivers. It is a trade and shipping center for the Co...

Tula , city, Russia

(Encyclopedia)Tula to͞oˈlə [key], city (1991 pop. 545,000), capital of Tula region, N central European Russia, on the Upa River, a tributary of the Oka. It is an important rail and highway hub and a manufacturin...

Woods, Granville Taylor

(Encyclopedia)Woods, Granville Taylor,, 1856–1910, African-American inventor, b. Columbus, Ohio. He worked in a railroad shop as a youth, becoming a machinist and blacksmith. He subsequently worked on trains, fir...

bronze, in metallurgy

(Encyclopedia)bronze, in metallurgy, alloy of copper, tin, zinc, phosphorus, and sometimes small amounts of other elements. Bronzes are harder than brasses. Most are produced by melting the copper and adding the de...