| 单词 | jack roll |
| 释义 | > as lemmasjack roll jack roll n. chiefly Mining (now historical and rare) a winch or windlass turned by hand, typically made of wood. [Compare sense 7 and roller n.1 3b.] ΘΚΠ society > occupation and work > equipment > lifting or hoisting equipment > [noun] > winch or capstan windas1293 wind1399 windlassc1400 fern1546 stow?1549 capstock1551 winch1577 draw-beam1585 wind-beam1585 winder1585 capstring1609 crab1627 guindall1628 gin1632 Jack1686 screw engine1688 twirl1688 moulineta1706 jack roll1708 wind-lifta1734 whim1738 stowce1747 whim-engine1759 macaroni gin1789 whimsy1789 winze1839 jack roller1843 wink1847 winding engine1858 fusee-windlass1874 come-along1891 1708 J. C. Compl. Collier 9 in T. Nourse Mistery of Husbandry Discover'd (ed. 3) Sinking with Jack Rowl, or by Mens winding up the Rowl. 1848 M. Dunn Treat. Winning & Working Collieries ii. 28 Hand windlasses, or jack-rolls, were the first species of machinery employed for drawing the loads up the shafts. 1908 Trans. Liverpool Engin. Soc. 29 317 Two to four men..worked the jack roll outside for lifting the buckets. 2010 G. Coyle Riches beneath our Feet iv. 54 The only ‘mechanical’ help was the jack roll, a very ancient, though still man-powered, device for hoisting ore or water to the surface. < as lemmas |
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