THEODOLITE

Theodolite

A theodolite is a precision instrument for measuring angles in the horizontal and vertical planes. Theodolites are used mainly for surveying applications, and have been adapted for specialized purposes in fields like metrology and rocket launch technology. A modern theodolite consists of a movable telescope mounted within two perpendicular axes—the horizontal or trunnion axis, and the vertical axis. When the telescope is pointed at a target object, the angle of each of these axes can be measured with great precision, typically to seconds of arc.

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theodolite

Noun

  1. A surveying instrument, consisting of a small mounted telescope, used to measure horizontal and vertical angles.


The above text is a snippet from Wiktionary: theodolite
and as such is available under the Creative Commons Attribution/Share-Alike License.

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