block-and-tackle arrangement

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• block and tackle — n. an arrangement of one or more pulley blocks, with rope or cables, providing significant mechanical advantage for pulling or hoisting large, heavy objects …   English World dictionary

• Block and tackle — A block and tackle [ Tackle can be pronEng|ˈteɪkəl in this usage.] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift or pull heavy loads. TOC Overview Although used in many situations, they are… …   Wikipedia

• block — n., v., & adj. n. 1 a solid hewn or unhewn piece of hard material, esp. of rock, stone, or wood (block of ice). 2 a flat topped block used as a base for chopping, beheading, standing something on, hammering on, or for mounting a horse from. 3 a a …   Useful english dictionary

• gun tackle — noun : a block and tackle arrangement formerly used for running a gun carriage to and from a gun part or raising or lowering a gun see guntackle purchase; tackle illustration * * * Naut. a tackle composed of a fall rove through two single blocks… …   Useful english dictionary

• wheel and axle — a simple machine consisting, in its typical form, of a cylindrical drum to which a wheel concentric with the drum is firmly fastened: ropes are so applied that as one unwinds from the wheel, another rope is wound on to the drum. [1765 75] * * * ▪ …   Universalium

• tackle — /ˈtækəl / (say takuhl) noun 1. equipment, apparatus, or gear, especially for fishing. 2. a mechanism or apparatus, as a rope and block or a combination of ropes and blocks, for hoisting, lowering, and shifting objects or materials: *The cellars,… …  

• Comparison of American and Canadian football — Diagram of an American football field Diagram of a …   Wikipedia

• harbours and sea works — Introduction harbour also spelled  harbor        any part of a body of water and the manmade structures surrounding it that sufficiently shelters a vessel from wind, waves, and currents, enabling safe anchorage or the discharge and loading of… …   Universalium

• HISTORICAL SURVEY: THE STATE AND ITS ANTECEDENTS (1880–2006) — Introduction It took the new Jewish nation about 70 years to emerge as the State of Israel. The immediate stimulus that initiated the modern return to Zion was the disappointment, in the last quarter of the 19th century, of the expectation that… …   Encyclopedia of Judaism

• Overhead lines — This article is about the transmission of electrical power to road and rail vehicles. For transmission of bulk electrical power to general consumers, see Electric power transmission. For powerlines mounted on pylons, see overhead power line.… …   Wikipedia

• талевая система — — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность EN block and tackle arrangementblock and tackle systempulley block systemtackle system …   Справочник технического переводчика