| 单词 | marine chronometer |
| 释义 | > as lemmasmarine chronometer marine chronometer n. an accurate chronometer mounted usually on gimbals, used on board ship in determining longitude by the comparison of the local time of noon with noon according to standard time. ΚΠ 1851 Official Descriptive & Illustr. Catal. Great Exhib. II. 410/1 Patent ‘diamond escapement’ as intended for the use of marine chronometers. 1894 Dict. National Biogr. XXXIX. 257/2 In 1776 he [sc. Thomas Mudge] was appointed king's watchmaker, and in the same year he completed his first marine chronometer. 1962 E. Bruton Dict. Clocks & Watches 164 Spring detent, the now universal detent escapement for marine chronometers, invented by Berthoud, Arnold and Earnshaw. 1984 Antiquarian Horol. Dec. 119 (advt.) A small two day duration mahogany cased marine chronometer. < as lemmas |
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