Browse Items (3 total)
A mathematical instrument for laying down and measuring angles on paper, used in drawing or plotting.
An optical instrument used to measure angles in surveying, meteorology, and navigation. The earliest theodolite consisted of a small mounted telescope that rotated horizontally and vertically. Washington and Lee taught surveying in the mid-19th…
An instrument with a movable pointer used for mechanical measurements of the area of an (irregular) plane figure.


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