Guy's elements of astronomy, and an abridgement of Keith's New treatise on the use of the globes (1832)
Guy, Joseph. [from old catalog], Keith, Thomas, 1759-1824. A new treatise on the use of the globes. [from old catalog] · Philadelphia, Key, Mielke & Biddle · leaf 74
eful to every part of the United States. It mayhowever be proper to remark, that the twilight will not in generalbe sufficiently strong to be visible, unless the Sun is considerablyless than 18 degrees below the horizon. On the 1st of Januaryit appears that the twilight begins at New Orleans at 27… … Oppositionliars THE EPHEMERIS. 45 she is farthest from, and nearest to the Earth, with the dis-tance between the Earth and Moon, at those times, in Englishmiles. Next below are placed the phases of the Moon, or the meantime at Washington of her conjunction, quadratures, and oppo-sitions with the…
Astronomy · Celestial globes
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
