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 221
north pole or some point in high latitude ; let ^ be a largeterrella above the earth, or a small terrella above a larger one;D the south pole: it is plain that D (south pole) attracts alarger piece of iron, C, than can E (the north pole), if that polebe turned downward to the position D, looking…
Magnetism
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