Vernier calipers

Vernier calipers
Vernier Ver"ni*er, n. [So named after the inventor, Pierre Vernier.] A short scale made to slide along the divisions of a graduated instrument, as the limb of a sextant, or the scale of a barometer, for indicating parts of divisions. It is so graduated that a certain convenient number of its divisions are just equal to a certain number, either one less or one more, of the divisions of the instrument, so that parts of a division are determined by observing what line on the vernier coincides with a line on the instrument. [1913 Webster]

{Vernier calipers}, {Vernier gauge}, a gauge with a graduated bar and a sliding jaw bearing a vernier, used for accurate measurements.

{Vernier compass}, a surveyor's compass with a vernier for the accurate adjustment of the zero point in accordance with magnetic variation.

{Vernier transit}, a surveyor's transit instrument with a vernier compass. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Vernier calipers — Calipers Cal i*pers, n. pl. [Corrupted from caliber.] An instrument, usually resembling a pair of dividers or compasses with curved legs, for measuring the diameter or thickness of bodies, as of work shaped in a lathe or planer, timber, masts,… …   The Collaborative International Dictionary of English

  • Calipers — Cal i*pers, n. pl. [Corrupted from caliber.] An instrument, usually resembling a pair of dividers or compasses with curved legs, for measuring the diameter or thickness of bodies, as of work shaped in a lathe or planer, timber, masts, shot, etc.; …   The Collaborative International Dictionary of English

  • Vernier — Ver ni*er, n. [So named after the inventor, Pierre Vernier.] A short scale made to slide along the divisions of a graduated instrument, as the limb of a sextant, or the scale of a barometer, for indicating parts of divisions. It is so graduated… …   The Collaborative International Dictionary of English

  • Vernier compass — Vernier Ver ni*er, n. [So named after the inventor, Pierre Vernier.] A short scale made to slide along the divisions of a graduated instrument, as the limb of a sextant, or the scale of a barometer, for indicating parts of divisions. It is so… …   The Collaborative International Dictionary of English

  • Vernier gauge — Vernier Ver ni*er, n. [So named after the inventor, Pierre Vernier.] A short scale made to slide along the divisions of a graduated instrument, as the limb of a sextant, or the scale of a barometer, for indicating parts of divisions. It is so… …   The Collaborative International Dictionary of English

  • Vernier transit — Vernier Ver ni*er, n. [So named after the inventor, Pierre Vernier.] A short scale made to slide along the divisions of a graduated instrument, as the limb of a sextant, or the scale of a barometer, for indicating parts of divisions. It is so… …   The Collaborative International Dictionary of English

  • 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 throttle — A vernier throttle is a throttle often used in aircraft. It uses a cable and a screw mechanism to provide the operator precise control over an engine s operation. The concept is similar in use to vernier calipers which have a primary operation… …   Wikipedia

  • Vernier Scale —    In 1631 French mathematician Pierre Vernier (1580 1637) published a mathematical treatise showing that a small, movable auxiliary scale could be attached to a larger, graduated scale to obtain finer adjustments. From that beginning developed… …   Dictionary of eponyms

  • calipers — noun /ˈkæl.ɪ.pəz,ˈkæl.ɨ.pɚz/ A device used to measure thickness between two surfaces, especially for small or precise measurements. Good, good for there, he mumbled, and then with a certain eagerness asked me whether I would let him measure my… …   Wiktionary

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