Tacheometry (; from Greek for "quick measure") is a system of rapid surveying, by which the horizontal and vertical positions of points on the Earth's surface relative to one another are determined using a tacheometer (a form of theodolite). It is used without a chain or tape for distance measurement and without a separate levelling instrument for relative height measurements.
Tacheometry (; from Greek for "quick measure") is a system of rapid surveying, by which the horizontal and vertical positions of points on the Earth's surface relative to one another are determined using a tacheometer (a form of theodolite). It is used without a chain or tape for distance measurement and without a separate levelling instrument for relative height measurements.
Source: Wikipedia "Tacheometry" · CC BY-SA 4.0
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