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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 389

An illustration from 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, leaf 389
drawn from the zenith through the variation point 332 WILLIAM GILBERT, in the horizon. And this circular movement of the loadstoneto its true and natural position shows that the whole earth isfitted, and by its own forces adapted for a diurnal circular mo-tion. I omit what Petrus Peregrinus so… … ment,* both because of the weight of the stone itself, and alsobecause the whole earth, as it moves of itself, so is propelledby the other stars; but this does not occur proportionately inany part of the earth, a terrella for example. The earth movesby its primary form and natural desire, for the…

Magnetism

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