| 单词 | jack-wheel |
| 释义 | > as lemmasjack-wheel jack-wheel n. (a) any of several types of cog wheel used in a mechanism (now rare) †(b) a device or mechanism used for making a large clock easier to wind; = sense 15 (obsolete rare). ΘΚΠ the world > time > instruments for measuring time > clock > [noun] > part(s) of nut1428 peise1428 plumbc1450 Jack1498 clockwork1516 larum1542 Jack of the clockhouse1563 watch-wheel1568 work1570 plummeta1578 Jack of the clock1581 snail-cam1591 snail-work1591 pointer1596 quarter jack1604 mainspring1605 winder1606 notch-wheel1611 fusee1622 count-wheel1647 jack-wheel1647 frame1658 arbor1659 balance1660 fuse1674 hour-figure1675 stop1675 pallet1676 regulator1676 cock1678 movement1678 detent1688 savage1690 clock1696 pinwheel1696 starred wheel1696 swing-wheel1696 warning-wheel1696 watch1696 watch-part1696 hoop-wheel1704 hour-wheel1704 snail1714 step-wheel1714 tide-work1739 train1751 crutch1753 cannon pinion1764 rising board1769 remontoire1774 escapement1779 clock jack1784 locking plate1786 scapement1789 motion work1795 anchor escapement1798 scape1798 star-wheel1798 recoil escapement1800 recoiling pallet1801 recoiling scapement1801 cannon1802 hammer-tail1805 recoiling escapement1805 bottle jack1810 renovating spring1812 quarter-boy1815 pin tooth1817 solar wheel1819 impulse-teeth1825 pendulum wheel1825 pallet arbor1826 rewinder1826 rack hook1829 snail-wheel1831 quarter bell1832 tow1834 star pulley1836 watch train1838 clock train1843 raising-piece1843 wheelwork1843 gravity escapement1850 jumper1850 vertical escapement1850 time train1853 pin pallet1860 spade1862 dead well1867 stop-work1869 ringer1873 strike-or-silent1875 warning-piece1875 guard-pin1879 pendulum cock1881 warning-lever1881 beat-pin1883 fusee-piece1884 fusee-snail1884 shutter1884 tourbillion1884 tumbler1884 virgule1884 foliot1899 grasshopper1899 grasshopper escapement1899 trunk1899 pin lever1908 clock spring1933 1647 J. Carter Nail & Wheel 85 Their motion is just like that of the jack-wheels; they turn and turn, but what do they turn? 1850 E. B. Denison Rudimentary Treat. Clock & Watch Making 182 The going part never requires a jack wheel to wind it up except in very large clocks. 1989 J. Needham in S. K. Biswas et al. Cosmic Perspectives i. 15 (caption) In front, the jack-wheels and vertical shaft, behind this the driving wheel. < as lemmas |
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