An apparatus for ascertaining the rate of a ship's motion, consisting of a thin quadrant of wood, loaded so as to float upright in the water, and…
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| 单词 | θ206013 |
| 释义 | society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > device to ascertain ship's speed through water (16) log1574 An apparatus for ascertaining the rate of a ship's motion, consisting of a thin quadrant of wood, loaded so as to float upright in the water, and… marine surveyor1726 An instrument for measuring the speed of a ship through the water. Obsolete. chip log1846 an apparatus for determining a ship's speed in knots, consisting of a thin section of wood, loaded so as to float upright in the water, and… bottom gear1867 Nautical. A pipe which projects from the bottom of a ship, used in conjunction with a manometer to continuously indicate the speed at which the… Subcategories:— line of (7) — timer (2) — mechanical log (3) |
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