(Encyclopedia) Tarnowskie GóryTarnowskie Górytärnôfˈskyĕ g&oomacr;ˈrĭ [key], town (1993 est. pop. 77,700), Śląskie prov., S Poland. It is an industrial center where metal goods, mining and…
(Encyclopedia) Babbitt metal, an antifriction metal first produced by Isaac Babbitt in 1839. In present-day usage the term is applied to a whole class of silver-white bearing metals, or “white metals…
(Encyclopedia) Sikhote-AlinSikhote-Alinsēkhətĕ-əlyēnˈyə [key], mountain range, c.625 mi (990 km) long, S Russian Far East. It is composed of a series of ridges lying between the Sea of Japan and the…
(Encyclopedia) cytomegaloviruscytomegalovirussīˌtəmĕgˌəlōvīˈrəs [key], member of the herpesvirus family that can cause serious complications in persons with weakened immune systems and infants. A…
(Encyclopedia) malleability, property of a metal describing the ease with which it can be hammered, forged, pressed, or rolled into thin sheets. Metals vary in this respect; pure gold is the most…
(Encyclopedia) Red Deer, city (1991 pop. 58,134), S central Alta., Canada, on the Red Deer River. It developed as a trade and service center for a region of dairying and mixed farming. The discovery…
(Encyclopedia) Roebuck, John, 1718–94, English physician, chemist, and inventor. He acted as a chemical consultant to local industries in Birmingham and invented the lead chamber process of…
(Encyclopedia) Driftless Area, c.13,000 sq mi (33,670 sq km), largely in SW Wis. but extending into SE Minn., NE Iowa, and NW Ill. The continental glacier which covered most surrounding regions did…
(Encyclopedia) Singer, Isaac Merrit, 1811–75, American inventor, b. Rensselaer co., N.Y. As a child he lived in Oswego, N.Y. He patented in 1851 a practical sewing machine that could do continuous…
