A text-book of general astronomy : for colleges and scientific schools (1888)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston ; London : Ginn & Company · leaf 144
nd the equation of time is minus. The difference,measured by the arc mn, amounts to nearly ten minutes ; and ofcourse the same thing holds, mutatis mutandis, for the other quad-rants. 204. Combination of the Effects of the Two Causes. —We can rep-resent graphically these two components of the… … Fig. 64. — The Equation of Time. shows the equation of time due to the eccentricity of the earths orbit,above considered. Starting at perihelion on Dec. 31, this com-ponent is then zero, rising from there to a value of about + 8m onApril 2, falling to zero on June 30, and reaching a second…
Astronomy
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
