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 200
Fig. 169.—DArsonval Mirror-Reflecting Galvanometer.Vertical magnet form. Fig. 170.—DArsonval Mirror-Reflecting Galvanometer.Horizontal magnet form. being a sIoav swing of the needle. The maximum deflection is notedon the scale just at the point where the system ceases to move andbegins to swing…
Electricity · Magnetism
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