Magnete sentence example
- The only teacher whom he respected was a certain Petrus de Maharncuria Picardus, or of Picardy, probably identical with a certain mathematician, Petrus Peregrinus of Picardy, who is perhaps the author of a MS. treatise, De Magnete, contained in the Bibliotheque Imperiale at Paris.
- His De magnete magneticisque corporibus et de magno magnete tellure physiologia nova (1600), contains many references to the expositions of earlier writers from Plato down to those of the author's own age.
- The earliest unquestionable description of a pivoted compass is that contained in the remarkable Epistola de magnete of Petrus Peregrinus de Maricourt, written at Lucera in 1269 to Sigerus de Foncaucourt.
- 2 Sicut acus per naturam vertitur ad septentrionem dum sit tacta a magnete.
- According to Emile Charles (Roger Bacon sa vie, ses ouvrages, ses doctrines, 1861), Peter of Maricourt is the Pierre Peregrin (or Pelerin) de Maricourt (Meharicourt in Picardy), known also as Petrus Peregrinus of Picardy, one of whose letters, De magnete, is partly reproduced in Libri's Hist.Advertisement
- The name is derived from the word electrica, first used by William Gilbert (1544-1603) in his epoch-making treatise De magnete, magneticisque corporibus, et de magno magnete tellure, published in 1600, 1 to denote substances which possess a similar property to amber (= electrum, from iiXecrpov) of attracting light objects when rubbed.
- An account of his electrical discoveries is given in the De magnete, lib.
- Gilbert's principal work is his treatise on magnetism, entitled De magnete, magneticisque corporibus, et de magno magnete tellure (London, 1600; later editions - Stettin, 1628, 1633; Frankfort, 1629, 1638).
- So at least says Thomas Fuller, who in his Worthies of England prophesied truly how he would be afterwards known: "Mahomet's tomb at Mecca," he says, "is said strangely to hang up, attracted by some invisible loadstone; but the memory of this doctor will never fall to the ground, which his incomparable book De magnete will support to eternity."
- In 1877 he received the degree of docteur es lettres with two remarkable theses, a dissertation De Macario magnete, and an Etude sur le Liber pontificalis, in which he explained with unerring critical acumen the origin of that celebrated chronicle, determined the different editions and their interrelation, and stated precisely the value of his evidence.Advertisement
- The earliest form of scientific electroscope was the versorium or electrical needle of William Gilbert (1544- 1603), the celebrated author of the treatise De magnete (see Electricity).
- Faraday, however, showed long subsequently that to bestow upon the indications of such an electroscope definite meaning 1 See the English translation by the Gilbert Club of Gilbert's De magnete, p. 49 (London, 1900).