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 408
bles,—PruteniccB Tabula CcelesHum Motuum, 1551, 1571, 1585,—based upon the observations of Copernicus,Hipparchus, and Ptolemy, were the result of seven years labor on partof the German astronomer Erasmus Reinhold, who named the work after hisbenefactor, Albert, Duke of Prussia, THE PRECESSION OF… … Let ABCD be the ecliptic; lEG the Arctic zodiacal circle.Now if the earths pole looks toward E, then the equinoxesare at D, C. Suppose this to be in the time of Metho/ when The celebrated astronomer Meton flourished at Athens B.C. 432-430.The mean length of the Metonic Cycle, or Metonic Year, was…
Magnetism
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