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 129
BOOK SECOND. CHAPTER L OF MAGNETIC MOVEMENTS. Of opinions touching the loadstone and its varieties; of itspoles and its recognized faculties {facultatibus); of iron and itsproperties; of the magnetic substance common to loadstoneand iron and the earth itself,—we have treated briefly in theforegoing…
Magnetism
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