William Gilbert of Colchester, physician of London, On the loadstone and magnetic bodies and on the great magnet the earth. A new physiology, demonstrated with many arguments and experiments .. (1893)
Gilbert, William, 1544-1603, Mottelay, Paul Fleury, b. 1841, tr, Wright, Edward, 1558?-1615 · New York, J. Wiley & sons · leaf 254
agnetized on .F its point by the part A follows A, because the point has beenmade south. But the needle C, placed at a distance from the =loadstone, turns its point to the earths north, F, for that pointwas made south by contact with the north part of the loadstone.Thus the ends magnetized by the… … CHAPTER V. OF MAGNETIZING STONES OF DIFFERENT SHAPES. Of a magnetized piece of iron one extremity is north, theother south, and midway is the limit of verticity: such limit, inthe globe of the terrella or in a globe of iron, is the equinoctialcircle. But if an iron ring be rubbed at one part with a…
Magnetism
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