The elements of dynamic electricity and magnetism (1903)
Atkinson, Philip. [from old catalog] · New York, D. Van Nostrand company · leaf 95
Fig. 32. … Fig. 33. RLE C TROMA GNE TISM. 79 doubled, the portative force becomes 2{x +7); if halved, X -\- y ; the proportion being the same for any other variation. The magnetization of the steel magnet can be accom-plished most efficiently by the electromagnet. Experiments in Diamagnetism.—The…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.