Brocklesby, John, 1811-1889. [from old catalog] · New York, Sheldon and company · leaf 294
SPRING TIDE NEW MOON. is illustrated. In each of these figures, S represents thesun, M the moon, and E the solid portion of the earth.The dotted line inclosing the earth is the solar tide-wave, FIG. 81. … SPRING TIDE FULL MOON. and upon this in the line of the three bodies, is heapedthe lunar tide-wave, the boundary of which is the outercurved line. 693. In Fig. 82, is exhibited the phenomenon of theneap tides. The moon is in quadrature, 90° from the sun,and the two bodies evidently counteract each…
Astronomy
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