The geography of the heavens, and class-book of astronomy: accompanied by a celestial atlas (1873)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868, ed, Whitall, Henry, 1819-1887? Celestial planisphere · New York, Sheldon & company · leaf 201
d onedegree towards the pole star,till at length, as he crossed theequator, the North star woulc*sink below the horizon, andbecome invisible. Whence wederive the general rule, thatthe altitude of one pole, or thtdepression of the other, at anyflaea on the Earths surface, is equal to the latitude of…
Constellations · Stars
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