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Hargreaves, James
(Encyclopedia) Hargreaves, JamesHargreaves, Jameshärˈgrēvz [key], 1720?–1778, English engineer. In 1762 he made an unsuccessful attempt to develop a machine for carding, a process preparatory to…Roebuck, John
(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…die-casting
(Encyclopedia) die-casting, process by which molten metal is forced by a plunger or compressed air into a metallic die and the pressure maintained until the metal has solidified. Die castings are…stereotype
(Encyclopedia) stereotypestereotypestĕrˈĕətīpˌ [key], plate from which printing is done, made by casting metal in a mold, usually of paper pulp. The process was patented in 1725 by the Scottish…pus
(Encyclopedia) pus, thick white or yellowish fluid that forms in areas of infection such as wounds and abscesses. It is constituted of decomposed body tissue, bacteria (or other micro-organisms that…Land, Edwin Herbert
(Encyclopedia) Land, Edwin Herbert, 1909–91, American inventor and photographic pioneer. While at Harvard, Land became interested in the properties and manipulation of polarized light. He left…steel
(Encyclopedia) steel, alloy of iron, carbon, and small proportions of other elements. Iron contains impurities in the form of silicon, phosphorus, sulfur, and manganese; steelmaking involves the…Atkins, Anna
(Encyclopedia) Atkins, Anna, 1799–1871, English photographer and botanist who specialized in images of botanical specimens. The daughter of scientist John George Children, she married John Pelly…Ohsumi, Yoshinori
(Encyclopedia) Ohsumi, Yoshinori, 1945–, Japanese biologist, Ph.D. Univ. of Tokyo, 1974. He was a researcher at the Univ. of Tokyo from 1977 to 1996, when he joined the National Institute for Basic…combing
(Encyclopedia) combing, process that follows carding in the preparation of fibers for spinning, lays the fibers parallel, and removes noils (short fibers). The modern combing machine is a specialized…Trending
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