Mattison, Hiram, 1811-1868 · New York, Huntington and Savage, Mason and Law · leaf 69
tween them is 26 miles, or 13 miles on each side.The two circles represent this difference. Now asthe Earths circumference is 25,000 miles, the dis-tance from the poles to the equator (being one- Afourth of that distance) must be 6,250 miles; and inthat 6,250 miles the ascent is 13 miles, or over… … PRLMAEY ASTRONOMY. 63 miles. If, then, it runs a distance equivalent to 1,500 miles directly south (in a wind-ing course of about 3,000), theory requires that it should be about three miles higher atits mouth, than it is 1,500 miles directly north. There is some philosophy, therefore,in saying that…
Astronomy
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