Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1903)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 20
47 XXVI. Equivalents of Units of Volume, 447 XXVII. Equivalents of Units of Weight, ... 448 XXVIII. Equivalents of Units of Energy and Work, 449 XXIX. Comparative Table of Gauges, 450 XXX. Decimal Equivalents, 451 XXXI. Volts Loss on Copper Wire, 451 XXXII. Useful Equivalents of Electrical Heating,… … Natural Magnets—Artificial Magnets—Definition of a Magnet—ThePoles—Magnetic Attraction and Repulsion—Two Kinds of Mag-netic Force—The two Poles Inseparable—Magnetic Substances—Magnetisable Metals—Classification of Magnets —Questions. 1. Natural Magnets.—The name magnet was first appliedby the…
Electricity · Magnetism
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