AZIMUTHS, called also vertical circles, are great circles intersecting each other in the zenith and nadir, and cutting the horizon at right angles. See VERTICAL. The horizon being divided into 360°; for this reason they usually conceive 360 azimuths—These azimuths are represented by the rhumbs on sea charts. See HORIZON, RHUMB, CHART, etc.
On the Globe, these circles are represented by the Quadrant of Altitude when screwed in the Zenith. See GLOBE, QUADRANT OF ALTITUDE, etc.
On the Azimuths is reckoned the height of the stars and the sun, when he is not on the meridian. See ALTITUDE, SUN, STAR, etc.
AZIMUTHS
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- Written by: Ephraïm Chambers
- Category: Unclassified