The geography of the heavens : and class-book of astronomy : accompanied by a celestial atlas (1860)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868 · New York : Mason Brothers · leaf 197
ted onedegree towards the pole star,till at length, as he crossed theequator, the North star wouldsink below the horizon, andbecome invisible. Whence wederive the general rule, thatthe altitude of one pole, or thedepression of the other, at anylilace on the Earths surface, is equal to the latitude…
Constellations · Stars
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