what is theodolite? can you know any particle.
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A theodolite is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes. ... The optical level is sometimes mistaken for a theodolite, but it does not measure vertical angles, and is used only for levelling on a horizontal plane.......
Theodolites generally include three types.
Repeating Theodolite. Repeating theodolites refer to those theodolites which measure angles on a graduated scale. ...
Direction Theodolites. Direction theodolites refer to those theodolites which determine angles through a circle. ...
Vernier Transit Theodolite. ...
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✒ Theodolite, basic surveying instrument of unknown origin but going back to the 16th-century English mathematician Leonard Digges; it is used to measure horizontal and vertical angles. In its modern form it consists of a telescope mounted to swivel both horizontally and vertically.
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