Angle measuring instrument

Angle measuring instrument

Any instrument used for measuring angles. Sometimes called an angulation instrument. Examples are the goniometer, the theodolite, the transit, and electronic devices which measure angles by interference of radio waves. Although photogrammetric cameras and plotters are used for determining angles, they do not indicate the angles directly and hence are not classified as angle measuring instruments.

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Part of Speech: noun
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Industry/Domain: Earth science
Category: Mapping science
Company: American Congress on Surveying & Mapping
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