id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
45893	Thompson, Silvanus P. (Silvanus Phillips)	William Gilbert, and Terrestial Magnetism in the Time of Queen Elizabeth A Discourse			.txt	text/plain	3265	133	60	WILLIAM GILBERT AND TERRESTRIAL MAGNETISM IN THE TIME OF QUEEN Gilbert's monumental work, the _De Magnete_, published in 1600, marks of the magnetic needle in navigation had been known both in Northern use in Elizabethan times of the loadstone and of the compass may be navigation, the compass pointed in Middle Europe so nearly truly to the why the compass needle pointed north, and the reason why it did not the magnetized needle to dip its northern end downwards. of his compasses, he thereupon devised a dipping-needle, and measured freely upon books, maps, instruments, minerals, and magnets. his new philosophy was concerning the great magnet the earth: and facts as known in the thirty years succeeding Gilbert's death, see the and iron, and between magnetic needles. has made." Gilbert further pointed out that the loadstone is surrounded on the dip of compass-needles placed at different points over his This discourse on William Gilbert and terrestrial magnetism	./cache/45893.txt	./txt/45893.txt