Practical Physics for Schools. By Balfour Stewart and W. W.
H. Haldane Gee. (Macmillan and Co.)—Practical physics may or may not be necessary for schools, but none can doubt the necessity for some knowledge of chemistry, however alight. It need not, therefore, surprise Messrs. Stewart and Gee that chemical labora-
t)ries are more frequent than physical amongst schools. Then, too, it is only those who are interested in natural philosophy, or who are intended for a higher course, that would benefit by practical instruction. The majority of schoolboys, who look upon the more interesting science in the light of "stinks," would not trouble themselves about work requiring much undivided attention. It is the many, not the few, that have to be considered in school. This volume gives the standard experiments for electricity and magnetism, and is garnished with plenty of woodcuts. We agree with the authors in deprecating the ignorance of logarithms at schools.
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