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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...

Zhenjiang

(Encyclopedia)Zhenjiang chĭnˈkyăngˈ, jĭnˈjyängˈ [key], city (1994 est. pop. 405,700), S Jiangsu prov., China, a port at the junction of the Grand Canal with the Chang River. It is also on the Shanghai-Nanji...

watch

(Encyclopedia)watch, small, portable timepiece usually designed to be worn on the person. Other kinds of timepieces are generally referred to as clocks. At one time it was generally believed that the first watches ...

bearing

(Encyclopedia)bearing, machine part designed to reduce friction between moving parts or to support moving loads. There are two main kinds of bearings: the antifriction type, such as the roller bearing and the ball ...

Kroonstad

(Encyclopedia)Kroonstad kro͞onˈstät [key], city, part and seat of Moqhaka local municipality, Free State prov., E central South Africa, on the Vals River. It is an agricultural and industrial center. There are g...

Malmö

(Encyclopedia)Malmö mälˈmö [key], city (1990 pop. 223,660), capital of Malmöhus co., S Sweden, on the Øresund opposite Copenhagen. Sweden's third largest city, it is a major naval and commercial port and an i...

MacVeagh, Isaac Wayne

(Encyclopedia)MacVeagh, Isaac Wayne məkvāˈ [key], 1833–1917, American political figure, U.S. Attorney General (1881), b. Chester co., Pa. A lawyer, he was the son-in-law of Simon Cameron, Republican boss of Pe...

Maxim

(Encyclopedia)Maxim măkˈsĭm [key], name of a family of inventors and munition makers. Sir Hiram Stevens Maxim, 1840–1916, was born near Sangerville, Maine. After launching on a career of inventing, he moved to...