surveyor's compass


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surveyor's compass

[sər′vā·ərz ‚käm·pəs]
(engineering)
An instrument used to measure horizontal angles in surveying.

surveyor’s compass

surveyor’s compass
An instrument used by surveyors for measuring horizontal angles and for determining the magnetic bearing of a line of sight; consists of a pivoted magnetic needle, a graduated horizontal circle, and a sighting device.
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