List, C, Hall, T. G. (Thomas Grainger), 1803-1881 · Philadelphia : Thomas Cowperthwait & Co. and Carey & Hart · leaf 86
isk. As the earth revolves round her axis,successive portions of her surface pass under themoon, and these places have successively highwater. Six hours after the high tide the waters are atthe lowest ebb, and in six hours more, we havehigh tide again; or, referring to the figure, if b isthe place… … menon, let the figure a l a I represent the watersof the ocean bounding the earth; then it is clearthat the water at a will be higher than any otherpart of the waters, because it is nearest the moon,and the force of attraction will be greatest there. Now let us look at the opposite hemisphere:there…
Astronomy
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