Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
tide, is the result. ASTEOAOMY. 467 When, however, the sun and moon are either in conjunction or oppo- FiG. 19. … sition, as at A or P, Fig. 21 (923), their forces, being united, produce anextraordinary tide, called the spring tide. Causes of the Opposite Tide-wave. 9^0. Figure 20.—Causes of the opposite tide-wave.— The principal cause of the tide-wave on the side of the earth oppositethe moon, is the…
Physics · Astronomy
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