double-grooved pulley

Игры ⚽ Нужен реферат?

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

Словари и энциклопедии на Академике