An instrument for measuring altitude or distance, consisting of a square plate with two graduated sides, a sight, etc. Obsolete.
| 单词 | θ7434 |
| 释义 | the world > the earth > earth sciences > geography > map-making > surveying > [noun] > surveying instruments > other surveying instruments (9) quadrat?c1400 An instrument for measuring altitude or distance, consisting of a square plate with two graduated sides, a sight, etc. Obsolete. trigon1590 A triangular instrument used in surveying; also, one used in dialling. Obsolete. square1600 A surveying instrument made in the form of a square. Obsolete. rare. peractor1616 A kind of theodolite (see quot. 1674). definitor1664 A kind of surveying instrument: see quots. Marquois scale1783 A plain-edged scale used in conjunction with a triangle for drawing equidistant parallel lines. Also more fully Marquois parallel scales, Marquois sca… topograph1865 rare. Name given to a surveying instrument. outkeeper1868 A small graduated disc which turns as a length is marked out with a surveyor's chain, giving a measure of the distance covered. aba1876 A simplified type of theodolite lacking the artificial horizon sometimes required by the sextant. |
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