Electric Power and Traction. F. H. Davies, A.M.I.E.E. With 66 Illustrations. Extra Crown 8vo. 7/6 net.
Laboratory and Factory Tests in Electrical Engineering. George F. Sever and Fitzhugh Townsend. 2nd Edn. Thoroughly revised. 282 pages. Demy 8vo. 10/6 net.
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Contents.—Electrical Units. Electromagnets. Magnetism. Hysteresis. Measuring Instruments. Dynamo Construction. Dynamo Used as Motor. Construction and Management of Motors. Secondary Cells and Their Uses. The Electric Arc. Mercury Vapour Lamps. Incandescent Lamps. Photometry. Switches. Conductors. Insulation.
Direct and Alternating Current Testing. Frederick Bedell, Ph.D., Professor of Applied Electricity, Cornell University. Assisted by Clarence A. Pierce, Ph.D. Enlarged and Revised Edn. Demy 8vo. 11/- net.
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