- Types:
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alidad, alidade
surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles
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alidad, alidade
surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments
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clinometer, inclinometer
an instrument used by surveyors in order to measure an angle of inclination or elevation
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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
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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
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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
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theodolite, transit
a surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod
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Abney level
a surveying instrument consisting of a spirit level and a sighting tube; used to measure the angle of inclination of a line from the observer to the target
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Dumpy level
a surveyor's level having a short telescope fixed to a horizontally rotating table and a spirit level
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tacheometer, tachymeter
a theodolite designed for rapid measurements
