Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1902)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 20
of Units of Length, 446 Equivalents of Units of Area, 447 Equivalents of Units of Volume, 447 Equivalents of Units of Weight, ... 448 Equivalents of Units of Energy and Work, 449 Comparative Table of Gauges, 450 Decimal Equivalents, . 451 Volts Loss on Copper Wire, 451 Useful Equivalents of… … Fig. 1.—Natural ^lagnet At-tracting Iron Filings. Natural Magnets—Artificial Magnets—Definition of a Magnet—ThePoles—Magnetic Attraction and Repulsion—Two Kinds oi Mag-netic Force^The two Poles Inseparable—Magnetic Substances—Magnetisable Metals—Classification of Magnets —Questions. 1. Natural…
Electricity · Magnetism
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