Abstract
IT is a significant instance of the mutability of word meanings that the term hydraulics, which a generation or more ago was limited to the practical applications of the science of hydrodynamics, distinct alike from that subject in its theoretical aspect (that is, neglecting viscosity) and from hydrostatics, is now very commonly used to denote the whole field of hydromechanics. In an authoritative article by the late Prof. Unwin, in the ninth (1881) edition of the “Encyclopædia Britannica” the distinction just given is clearly drawn. On the other hand, in the textbook under notice, as also in other cases, the writers treat hydraulics as an omnibus subject comprising the three divisions of hydrostatics, hydrokinetics and hydrodynamics.
Hydraulics.
By Prof. Horace W. King Prof. Chester O. Wisler. Third edition, revised. Pp. xii + 292. (New York: John Wiley and Sons, Inc.; London: Chapman and Hall, Ltd., 1933.) 16s. 6d. net.
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C., B. Hydraulics . Nature 133, 159 (1934). https://doi.org/10.1038/133159a0
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DOI: https://doi.org/10.1038/133159a0