Abstract
THIS book has been written primarily for testing engineers. For students reading for engineering examinations it will not be so useful, as there are no examples given to illustrate the application of the theory given to practical work. The author has reduced the mathematical theory to a minimum, and so does not discuss the cases where three vectors cannot be represented by three lines lying in one plane, or stated the full conditions that must be satisfied in order that the power factor of a circuit may be unity.
Commercial A.C. Measurements
By G. W. Stubbings. Second edition, revised. Pp. xvi + 348. (London: Chapman and Hall, Ltd., 1937.) 15s. net.
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Commercial AC Measurements. Nature 140, 91 (1937). https://doi.org/10.1038/140091b0
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DOI: https://doi.org/10.1038/140091b0