Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1903)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 26
esults. 13. Magnetisation by Divided Stroke.—Place the steelbar to be magnetised on twoother bar magnets, as shownin Fig. 9. Take two addi-tional magnets, one in eachhand, with the polarities in-dicated, a n d proceedingfrom the centre, with unlikepoles, stroke towards theends in the direction of… … Fig. -Magnetising a HorseshoeMagnet.
Electricity · Magnetism
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