| 单词 | box chronometer |
| 释义 | > as lemmasbox chronometer box chronometer n. now historical a marine chronometer mounted in a box with gimbals (cf. gimbal n. 4). ΘΚΠ the world > time > instruments for measuring time > [noun] > chronometer longitude1665 longitude watch1670 chronometer1714 sea-watch1768 watch1778 box chronometer1789 oligochronometer1857 1789 J. McCluer Descr. Coast India 21 We had some remarkable thick fogs and heavy dews while up the river, which altered the rate of the Box Chronometer several seconds slower than usual. 1874 F. G. D. Bedford Sailor's Pocket Bk. v. 148 In winding up box-chronometers, the chronometer should be inverted carefully in its gimbals. 1993 A. David in R. Fisher & H. Johnston Maps to Metaphors iii. 67 Earnshaw's pocket chronometer performed much better than the larger box chronometers, Vancouver describing it as an ‘excellent piece of workmanship to be highly intitled to our praise’. < as lemmas |
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