A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 354
PRODUCTION OF ARTIFICIAL MAGNETS. 349 be done about a dozen times; then, without removing thekeeper, turn the bar over and do the same on the other side.The poles of the magnet produced will in this case be ofthe same character as those respectively brought in con-tact with them. 897. The best mode…
Physics
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