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Bramah, Joseph
(Encyclopedia) Bramah, JosephBramah, Josephbrămˈə, bräˈ– [key], 1748–1814, English inventor. In 1784 he took out his first patent on a safety lock, and in 1795 he patented his hydraulic press, known…hydraulic machine
(Encyclopedia) CE5 Hydraulic pressure: In any hydraulic device the pressure exerted by one piston is transmitted throughout the fluid. Since pressure equals force divided by area, a small force (…elevator, in machinery
(Encyclopedia) elevator, in machinery, device for transporting people or goods from one level to another. The term is applied to the enclosed structures as well as the open platforms used to provide…hydraulics
(Encyclopedia) hydraulics, branch of engineering concerned mainly with moving liquids. The term is applied commonly to the study of the mechanical properties of water, other liquids, and even gases…governor, device
(Encyclopedia) governor, automatic device used to regulate and control such variables as speed or pressure in the functioning of an engine or other machine. A governor may be an electric, hydraulic,…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…shock absorber
(Encyclopedia) shock absorber, device for reducing the effect of a sudden shock by the dissipation of the shock's energy. On an automobile, springs and shock absorbers are mounted between the wheels…Ctesibius
(Encyclopedia) CtesibiusCtesibiustĭsĭbˈēəs [key], fl. 2d cent. b.c., Alexandrian Greek inventor. He reputedly was the first to discover and apply the expansive power of air as a motive force. Among…Hongze
(Encyclopedia) Hongze or HungtseHongzeboth: h&oomacr;ngˈdzŭ [key], lake, 65 mi (105 km) long, E China, on the border of Anhui and Jiangsu provs. It receives the Huai River and is connected with…linseed oil
(Encyclopedia) linseed oil, amber-colored, fatty oil extracted from the cotyledons and inner coats of the linseed. The raw oil extracted from the seeds by hydraulic pressure is pale in color and…Trending
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