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 136
st therefore continue, while passing through thenorthern signs, above the horizon ; and the summerfull moon being as low in the ecliptic as the winter sun,can no more rise, when passing through the southernsigns, than he does. CHAPTER XXXIV. OF LEAP-YEAR. The time our earth takes to make one… … LEJP-YEAK. 93 The ancient Hebrew months consisted of 30 days each, except thelast, which contained 35. Thus the year contained 3G5 days. An in-tercalary month at the end of 120 years supplied the difference. The Athenian months consisted of 30 and 29 days alternately, ac-cording to the regulation…
Astronomy · Celestial globes
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
