A new treatise on the practice of navigation at sea : containing all the details necessary to enable the mariner to become a good practical navigator. (1902)
Thoms, William · New York : Printed for the author and sold by John Bliss & Co · leaf 91
and the Time Circle which passes through the body, and in the case of the Sun gives the apparenttime from noon, or his distance from the Meridian, reckoned at the rate of 15 to the hour. Thus in figure 2d we have the Co-Altitude, Co-Latitude, and Polar Distance ; three sides of a SphencaJTriangle… … DEFINITIONS. 81 DLFINITJONS Tli9 path on which the Sun appears to move, or the great Circle which he seems to describe in th«Heavens, is called the Ecliptic. The Eclipti* is divided into twelve Signs, or portions of 30 each, called t.ie Signs of the Zodiac, whichterm means a space or belt of 8*…
Navigation · Nautical astronomy
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