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pivoted lever

См. также в других словарях:

  • lever escapement — Horol. an escapement in which a pivoted lever, made to oscillate by the escape wheel, engages a balance staff and causes it to oscillate. [1830 40] * * * …   Universalium

  • lever escapement — Horol. an escapement in which a pivoted lever, made to oscillate by the escape wheel, engages a balance staff and causes it to oscillate. [1830 40] …   Useful english dictionary

  • lever — /lev euhr, lee veuhr/, n. 1. Mech. a rigid bar that pivots about one point and that is used to move an object at a second point by a force applied at a third. Cf. machine (def. 4b). 2. a means or agency of persuading or of achieving an end:… …   Universalium

  • Lever — /lee veuhr/, n. Charles James ( Cornelius O Dowd ), 1806 72, Irish novelist and essayist. * * * Simple machine used to amplify physical force. All early people used the lever in some form, for moving heavy stones or as digging sticks for land… …   Universalium

  • lever — n. & v. n. 1 a bar resting on a pivot, used to help lift a heavy or firmly fixed object. 2 Mech. a simple machine consisting of a rigid bar pivoted about a fulcrum (fixed point) which can be acted upon by a force (effort) in order to move a load …   Useful english dictionary

  • lever scale — noun a portable balance consisting of a pivoted bar with arms of unequal length • Syn: ↑steelyard, ↑beam scale • Hypernyms: ↑balance …   Useful english dictionary

  • 5 lever lock — The 5 lever lock is a type of lock often required for home insurance and are generally recommended by the police for home security. There are various grades but the current British Standard (BS3621:2004) is usually required for insurance purposes …   Wikipedia

  • Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …   Wikipedia

  • Richard Trevithick — Infobox Scientist name = Richard Trevithick box width = image width = 150px caption = Richard Trevithick, by John Linnell (1792 1882) birth date = April 13, 1771 birth place = Cornwall death date = April 22, 1833 (aged 62) death place = Dartford …   Wikipedia

  • Protective relay — See also: Power system protection In electrical engineering, a protective relay is a complex electromechanical apparatus, often with more than one coil, designed to calculate operating conditions on an electrical circuit and trip circuit breakers …   Wikipedia

  • Air brake — Brake Brake (br[=a]k), n. [OE. brake; cf. LG. brake an instrument for breaking flax, G. breche, fr. the root of E. break. See Break, v. t., and cf. {Breach}.] 1. An instrument or machine to break or bruise the woody part of flax or hemp so that… …   The Collaborative International Dictionary of English

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