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azimuth circle
noun
- a device for measuring azimuths, consisting of a graduated ring equipped with a sighting vane on each side, which fits concentrically over a compass.
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Word History and Origins
Origin of azimuth circle1
First recorded in 1585–95
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Example Sentences
Case three, where direction is given by the azimuth-circle, and elevation by the quadrant or arc.
From Project Gutenberg
The mean of all the readings of the verniers gives the reading on the azimuth circle corresponding to the magnetic meridian.
From Project Gutenberg
An arc of the horizon intercepted between the azimuth circle of a celestial object and the magnetic meridian.
From Project Gutenberg
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