英语词汇“patent log”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

patent log n. a mechanical device for measuring the speed of a ship.

ΘΚΠ

society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > device to ascertain ship's speed through water > mechanical log

sillometer1841

patent log1848

1848 W. F. Lynch Diary 18 Apr. in Narr. United States' Exped. River Jordan (1849) xii. 268 We endeavored to steer a little to the north of west,..threw the patent log overboard to measure the distance.

1940 Chambers's Techn. Dict. 509/1 The modern patent (or taffrail) log mechanically indicates the rate of travel.

2002 Spectator (Hamilton, Ont.) (Nexis) 8 June t1 Slocum's navigational devices consisted of little more than a compass, sextant, patent log and a tin alarm clock.

单词	patent log
释义	> as lemmas patent log patent log n. a mechanical device for measuring the speed of a ship. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > device to ascertain ship's speed through water > mechanical log sillometer1841 patent log1848 1848 W. F. Lynch Diary 18 Apr. in Narr. United States' Exped. River Jordan (1849) xii. 268 We endeavored to steer a little to the north of west,..threw the patent log overboard to measure the distance. 1940 Chambers's Techn. Dict. 509/1 The modern patent (or taffrail) log mechanically indicates the rate of travel. 2002 Spectator (Hamilton, Ont.) (Nexis) 8 June t1 Slocum's navigational devices consisted of little more than a compass, sextant, patent log and a tin alarm clock. extracted from patentadj. < as lemmas
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