surveying instrument

Noun
  1. An instrument used by surveyors (synset 104372571)
    is a type of: instrument - a device that requires skill for proper use
    subtypes:
    • alidad, alidade - surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles
    • alidad, alidade - surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments
    • clinometer, inclinometer - an instrument used by surveyors in order to measure an angle of inclination or elevation
    • plane table - surveying instrument consisting of a drawing board and a ruler that are mounted on a tripod; used to sight and map topographical details
    • flagpole, range pole, ranging pole - surveying instrument consisting of a straight rod painted in bands of alternate red and white each one foot wide; used for sightings by surveyors
    • surveyor's level - surveying instrument consisting basically of a small telescope with an attached spirit level rotating around a vertical axis; for measuring relative heights of land
    • theodolite, transit - a surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod
    has: sights - an optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument
    same as: surveyor's instrument

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