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)
gh a height equal to the depth of the centre of theorifice below the surface of the fluid. 156. Figure 3.—Flowing of rivers.—Owing to the frictionbetween fluids and solids, the sides and bottom of a river flow lessrapidly than the central and upper parts of the stream. This is shownin the figure by…
Physics · Astronomy
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