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 413
stices. 356 WILLIAM GILBERT. Copernicuss intorta corolla in the arctic zodiacal circle* FGB is one half of an arctic circle described around thepole of the zodiac ; ABC is the colure of the solstices ; A thepole of the zodiac ; DE the anomaly of longitude 140 minuteson either side, with twofold… … True movement and natural axis {or poles) of the earth directedtoward the arctic circle of the zodiac. Let AI be part of the arctic circle of the zodiac in which is per-formed one period of the obliquity. From A to £ is the periodof the anomaly or variation of the precession of the equinoxes.AI\s…
Magnetism
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