Abstract
THE book under notice is intended for a beginner who is “guided and inspired by a competent teacher.” Many recent discoveries are included and the material is, on the whole, presented in an accurate and readable form. Several minor errors are, however, noticeable. Glaziers' “diamonds” are not “splinters”(p. no); oxygen is not used in determining the flash-point of an oil (p. 119); the experiment described on p. 157 seems unlikely to succeed; the recovery of sulphur from alkali-waste is not without value (p. 170); and the carbon arc is not used in the fixation of nitrogen (p. 184). The atomic theory is explained only at the end of the book, although the method of counting the a-particles expelled from radium is referred to on p.. 10.
Chemistry.
G. H. J.
Adlam
By. ("Science for All" Series.) Pp. x+238. (London: John Murray, 1921.) 3s. 6d. net.
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Chemistry . Nature 107, 647 (1921). https://doi.org/10.1038/107647c0
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DOI: https://doi.org/10.1038/107647c0