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 223
, 193.—Construction of In-clined Coil Ammeter. 204 PRACTICAL ELECTRICITY. … Fig. 194.—Weston Ammeter withContained Shunt. Self- shown in Fig. 194, and interior views in Figs. 195 and 196.A permanent horseshoe magnet, M, is fitted with soft iron pole pieces, P P, Fig,197, between which astationary cylinder ofsoft iron, C, is sup-ported by a brass pieceextending across…
Electricity · Magnetism
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