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so it ought to be drawn out of a straight
course through 16.1 feet in a minute. New-
ton found the distance through which she is
actually drawn as a fraction of the earth’s
diameter. But when he first examined this
matter he proceeded to use a wrong diame-
ter for the earth, and he found a serious dis-
crepancy. This, for a time, seemed to con-
demn his theory, and regretfully he laid that
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