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 277
of mis-takes committed and accepted as true judgments. 220 WILLIAM GILBERT. CHAPTER XV. THE POLES, EQUATOR, CENTRE, ARE PERMANENT AND STABLEIN THE UNBROKEN LOADSTONE; WHEN IT IS REDUCEDIN SIZE AND A PART TAKEN AWAY, THEY VARY ANDOCCUPY OTHER POSITIONS. , Let AB be a terrella, E its centre, DF its… … % equinoctial circle recede only toward B, so as always to be inthe middle of the mass that remains between the plane of theArctic circle 6^//7and the Antarctic pole B. Thus the segmentof the terrella between the plane of the former equinoctial cir-cle DEF (that is of the equinoctial circle which…
Magnetism
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