Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 20
s of Units of Length, 477 Equivalents of Units of Area, 478 Equivalents of Units of Volume, 478 Equivalents of Units of Weight, 479 Equivalents of Units of Energy and Work, 480 Comparative Table of Gauges, 481 Decimal Equivalents, 482 Volts Loss on Copper Wire, 482 Useful Equivalents of Electrical… … Fig. 1.—Natural Magnet 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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