double-grooved pulley

См. также в других словарях:

• double tackle — n. a pulley block with two grooved wheels …   English World dictionary

• double tackle — a pulley system using blocks having two grooved wheels. * * * double tackle, a system of ropes and blocks in which each block contains two grooved wheels …   Useful english dictionary

• double tackle — a pulley system using blocks having two grooved wheels. * * * …   Universalium

• Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …   Wikipedia

• watch — /woch/, v.i. 1. to be alertly on the lookout, look attentively, or observe, as to see what comes, is done, or happens: to watch while an experiment is performed. 2. to look or wait attentively and expectantly (usually fol. by for): to watch for a …   Universalium

• Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… …   Wikipedia

• Cotehele clock — Coordinates: 50°29′45″N 4°13′33″W / 50.49592°N 4.225964°E / 50.49592; 4.225964 …   Wikipedia

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