Theodolite
An instrument used in surveying. It measures horizontal and vertical angles with a small telescope that can move in the horizontal and vertical planes. The measurement is done by pointing it at a target object. The device has a great precision with angles to seconds of arc. Theodolites have been adapted for specialized purposes in fields like metrology and rocket launch technology.
Showing posts with label what is theodolite?. Show all posts
Showing posts with label what is theodolite?. Show all posts
Sunday, 16 October 2016
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