Guy's Elements of astronomy : and an abridgment of Keith's New treastise on the use of the globes (1864)
Guy, Joseph, 1784-1867, Keith, Thomas, 1759-1824. A new treatise on the use of the globes · Philadelphia, C. Desilver · leaf 83
X, fig. 3;) N the north pole, S the south pole,P the north pole star, to which, and to the opposite partof the heavens, the axis always points. These extremi-ties in the heavens appear motionless, while all theother parts seem in a continual state of revolutiojuThe circle of motion in the heavenly… … The Meridians are so called because, as the earthrevolves on his axis, when any one of them is oppositeto the sun it is mid-day or noon along that line. Twen-ty-four of these lines are usually drawn on the globes^to correspond with the twenty-four hours of the day..Not that these are the only ones…
Astronomy
Internet Archive Book Images · The Library of Congress · No known copyright restrictions (public domain). Free to use for anything.
