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 339
ts north pole; the point having been touched 282 WILLIAM GILBERT. by the south pole of the terrella tends toward its south pole.Thus may we see the level, the oblique, and the perpendicu-lar position of the needle on a terrella.* CHAPTER II. DIAGRAM SHOWING DIP OF THE MAGNETIC NEEDLE IN DIF-FERENT… … southern regions of the earth or the terrella. All the needleshave been touched with the true Arctic pole of the terrella. ^ At two points of the earths globe, the needle will rest in a verticalposition. These are the magnetic poles of the earth. The northern mag-netical pole was discovered June i,…
Magnetism
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