Willson, Robert Wheeler, 1853-1922 · Boston, New York Ginn & company · leaf 138
Fig. 62. Sunrise June 21:Suns Bearing N. 59° B.;Az. 239° EXAMPLES OE THE USE OF THE GLOBE 125 … of the globe, corresponding to the zenith of the sphere in latitude 42°.4 north. The longitude of the sun for September 10 being found, by the circles printed on the horizon for this purpose, to be 17°.7 in Virgo, or five signs and 17°.7 = 167°.7, this point was brought into thesouthwest quadrant…
Astronomy
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