vernier reading
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vernier caliper — a caliper formed of two pieces sliding across one another, one having a graduated scale and the other a vernier. Also called vernier micrometer. [1875 80] * * * ▪ measurement instrument instrument for making very accurate linear… … Universalium
Vernier scale — A vernier scale is an additional scale which allows a distance or angle measurement to be read more precisely than directly reading a uniformly divided straight or circular measurement scale. It is a sliding secondary scale that is used to… … Wikipedia
Vernier — Pierre, French mathematician, 1580–1637. See V. acuity. * * * n. a device for obtaining accurate measurements of length, to 1/10th, 1/100th or smaller fractions of a unit. It consists of a fixed graduated main scale against which a shorter… … Medical dictionary
Vernier height gauge — A vernier height gauge is a height gauge with the additional refinement of a vernier scale for greater accuracy in reading or setting the tool.The first image shows two height gauges, the left height gauge has the vernier scale, the right one has … Wikipedia
vernier — n. a device for obtaining accurate measurements of length, to 1/10th, 1/100th or smaller fractions of a unit. It consists of a fixed graduated main scale against which a shorter vernier scale slides. The vernier scale is graduated into divisions… … The new mediacal dictionary
vernier compass — noun : a surveyor s compass with a vernier by means of which a compensating adjustment may be made for magnetic variation to enable the reading of the correct bearings directly from the compass * * * Survey. a compass on a transit (vernier… … Useful english dictionary
vernier acuity — ver·ni·er acuity vər nē ər n the aspect of visual acuity that involves the ability to detect the alignment or lack of alignment of the two parts of a broken line (as in reading a vernier scale) compare GRATING ACUITY, HYPERACUITY, STEREOACUITY *… … Medical dictionary
Micrometer — This article is about the measuring device. For the unit of length, see Micrometre. Outside, inside, and depth micrometers A micrometer ( … Wikipedia
Caliper — For other uses, see Caliper (disambiguation). A vernier caliper … Wikipedia
Visual acuity — 20/15 and 20/15 vision redirect here. For other uses, see 2020 (disambiguation). Typical Snellen chart used for visual acuity testing. Visual acuity (VA) is acuteness or clearness of vision, which is dependent on the sharpness of the retinal… … Wikipedia
Reflecting instrument — Reflecting instruments are those that use mirrors to enhance their ability to make measurements. In particular, the use of mirrors permits one to observe two objects simultaneously while measuring the angular distance between the objects. While… … Wikipedia
