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Guericke, Otto von

(Encyclopedia)Guericke, Otto von ôˈtō fən gāˈrĭkə [key], 1602–86, German physicist, noted for his study of pneumatics. He carried out his most important researches while burgomaster (1646–81) of Magdebu...

fleece

(Encyclopedia)fleece, mat of wool formed by shearing a sheep in one continuous operation. The average fleece weighs from 5 to 10 lb (2.3–4.5 kg); in highbred wool sheep such as the American Merinos a ram's fleece...

Hounsfield, Sir Godfrey Newbold

(Encyclopedia)Hounsfield, Sir Godfrey Newbold, 1919–2004, British electrical engineer. A radar expert for the Royal Air Force during World War II, in the 1950s Hounsfield began developing computer and X-ray techn...

jack, mechanical device

(Encyclopedia)jack, mechanical device used to multiply a relatively small applied force so that it can lift and support heavy loads, or sometimes, move massive objects into a desired position. The lever jack, often...

Kaiserslautern

(Encyclopedia)Kaiserslautern kīˌzərslouˈtərn [key], city (1994 pop. 102,370), Rhineland-Palatinate, W Germany, on the Lauter River. It is a commercial, industrial, and cultural center, and a center for banking...

Deventer

(Encyclopedia)Deventer, city, Overijssel prov., E central Netherlands, on the IJssel River. It is an industrial center with machine shops and foundries; important man...

Changzhou

(Encyclopedia)Changzhou or Changchow both: chängˈjōˈ [key], city, S Jiangsu prov., E central China,...

sapodilla

(Encyclopedia)sapodilla, the edible fruit of Manilkara zapota (formerly Achras zapota), of the family Sapotaceae. The fleshy, brown fruit is the size of a small tomato, and has the flavor and texture of cinnamon, a...

Torrington

(Encyclopedia)Torrington, city (1990 pop. 33,687), Litchfield co., NW Conn., on the Naugatuck River; inc. 1740. It is the industrial and commercial hub of NW Connecticut and is known for its metal (especially brass...

Vincennes, town, France

(Encyclopedia)Vincennes văNsĕnˈ [key], town (1990 pop. 42,651), Val-de-Marne dept., N central France, an industrial and residential suburb E of Paris. Radio, electrical, and photographic equipment, machinery, an...