Columbia Encyclopedia

Search results

500 results found

welding

(Encyclopedia)welding, process for joining separate pieces of metal in a continuous metallic bond. Cold-pressure welding is accomplished by the application of high pressure at room temperature; forge welding (forgi...

San Fernando, city, United States

(Encyclopedia)San Fernando, city (1990 pop. 22,580), Los Angeles co., S Calif., in the San Fernando valley; inc. 1911. Among its industries are clothing and electronics. The valley, first entered by Europeans in 17...

Wayne, Anthony

(Encyclopedia)Wayne, Anthony, 1745–96, American Revolutionary general, b. Chester co., Pa. Impetuous and hot-headed, Wayne was sometimes known as “mad Anthony,” but he was an able general. In 1783 he return...

Kazanluk

(Encyclopedia)Kazanluk käˌzänləkˈ [key], town (1993 pop. 60,019), central Bulgaria, in the Kazanluk valley, a region famous for its rose fields. Kazanluk developed in the 17th cent. as a manufacturing center f...

Surma

(Encyclopedia)Surma sûrˈmə, so͝orˈmä [key], river, 320 mi (515 km) long, rising in the Manipur hills, NE India, and flowing generally W through the Surma valley, where the river is dispersed into numerous str...

Cauca

(Encyclopedia)Cauca kouˈkä [key], river, c.800 mi (1,290 km) long, rising in the Cordillera Central, near Popayán, W Colombia. It flows north in a rift valley between the Cordillera Central and Cordillera Occide...

clipper

(Encyclopedia)clipper, type of sailing ship, designed for speed. Long and narrow, the clipper had the greatest beam aft of the center; the bow cleaved the waves; and the ship carried, besides topgallant and royal s...

Tempe, Vale of

(Encyclopedia)Tempe, Vale of, Gr. Témbi, valley, c.5 mi (8 km) long, E central Greece, NE Thessaly, between Mt. Olympus and Mt. Óssa. Traversed by the Piniós River, the valley is famous for its rugged grandeur. ...

Lötschberg Railway

(Encyclopedia)Lötschberg Railway löchˈbĕrkh [key], electrical railroad, crossing the Bernese Alps from Thun, W central Switzerland, to Brig, on the Rhône River, S Switzerland. It passes through the Lötschberg...

Mulholland, William

(Encyclopedia)Mulholland, William, 1855–1935, American engineer, b. Belfast, Ireland. He arrived in Los Angeles in 1877, becoming a laborer for the local water company. Despite his lack of formal training, he eve...