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 302
he cork would move from its place. This asser-tion of the Englishman Robert Norman is demonstrable, and VARIA TION AND DIRECTION. 245 it does seem to do away with attraction, inasmuch as the ironremains in the still water both in the direction toward thevery pole (if the direction be true) and in… … existing in the earth as a whole, not in a pole or any attra-hent part of the stone, neither in any mass projecting beyondthe circle of the periphery, so that the variation should resultbecause of the attraction of that mass. Besides, the directiveforce of the stone and of iron, and their natural…
Magnetism
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