- vernier compass
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a compass on a transit (vernier transit) having a vernier for adjusting magnetic bearings to read as true bearings.
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Universalium. 2010.
vernier compass
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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 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 — 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 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… … 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
compass — Synonyms and related words: Gyrosin compass, Johansson block, RDF, T square, accept, accomplish, achieve, acquire, aesthetic distance, alentours, ambience, ambit, amount, annex, attain, beleaguer, beset, besiege, blockade, border line,… … Moby Thesaurus
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
Beam compass — A beam compass is a compass with a beam and sliding sockets or cursors for drawing and dividing circles larger than those made by a regular pair of compasses.[1] The instrument can be as a whole, or made on the spot with individual sockets… … Wikipedia
Caliper — For other uses, see Caliper (disambiguation). A vernier caliper … Wikipedia
