Smith, Hamilton Lanphere, 1819-1903. [from old catalog] · Cleveland, M. C. Younglove and company · leaf 61
d, rising higher,and higher, each day, until after a tropical year, it arrives at thepoint S, where we commenced. Now if the points S and S,were fixed points in the heavens, the length of a tropical, or equi-noctial year, would be the same as the length of a siderial year,for the equinoctial points… … Let A B C D, represent the suns path, inclined 23° 28 to theequator E D F B, and suppose B, the position of the vernal equi- PRECESSION OF THE EQUINOXES. 59 nox, and let the apparent positions of the ecliptic and the equator,or rather portions of them, be represented by the dotted lines, andsuppose…
Astronomy · Meteorology · Geology · Paleontology
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