| 单词 | surveyor's wheel |
| 释义 | > as lemmassurveyor's wheel surveyor's wheel n. a device for measuring distances, consisting of a wheel of known circumference which is attached to a handle and rolled along the ground by a person on foot; = odometer n. (a).A mechanism records the number of revolutions made by the wheel, thus enabling the distance travelled to be calculated. ΚΠ 1755 J. Rogers Diss. Knowl. Ancients ix. 74 The 365 diurnal Rotations of the Earth measure its Orbit, as a Pedometer or Surveyor's Wheel does its Surface. 1860 J. Copland Exercises in Mental & Slate Arithm. 44 A surveyor's wheel is 5½ yds. in circumference; how often will it turn in measuring 44 miles? 2012 C. Scharf Gravity's Engines 45 If a surveyor went along the border and made visual measurements with the telescope of a theodolite every few hundred feet, adding up each distance, he would get a very different answer than if he had trudged every foot with a surveyor's wheel. < as lemmas |
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