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 200
Fig. 169.—DArsonval Mirror-Reflecting Galvanometer.Vertical magnet form. Fig. 170.—DArsonval Mirror-Reflecting Galvanometer.Horizontal magnet form. being a slow swing of the needle. The maximum deflection is notedon the scale just at the point where the system ceases to move andbegins to swing back…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
