Peregrinus, Petrus

(Peter the Pilgrim) (pē`trəs pĕrəgrĭn`əs), c.1220–?, medieval scholar and soldier. The tutor of Roger BaconBacon, Roger,
c.1214–1294?, English scholastic philosopher and scientist, a Franciscan. He studied at Oxford as well as at the Univ. of Paris and became one of the most celebrated and zealous teachers at Oxford.
..... Click the link for more information. , he wrote the first important study of magnetism, Epistola de Magnete, in which he described simple magnetic attraction and repulsion. He improved the compass by placing the lodestone on a pivot and surrounding it with a graduated directional scale. His ideas were further elaborated in the 16th cent. by William GilbertGilbert, William,
1544–1603, English scientist and physician. He studied medicine at Cambridge (M.D., 1569), where he was elected a Fellow of St. John's College, and set up practice in London, becoming president of the College of Physicians (1599) and court physician to
..... Click the link for more information. .

单词	peregrinus, petrus
释义	Peregrinus, Petrus Peregrinus, Petrus (Peter the Pilgrim) (pē`trəs pĕrəgrĭn`əs), c.1220–?, medieval scholar and soldier. The tutor of Roger BaconBacon, Roger, c.1214–1294?, English scholastic philosopher and scientist, a Franciscan. He studied at Oxford as well as at the Univ. of Paris and became one of the most celebrated and zealous teachers at Oxford. ..... Click the link for more information. , he wrote the first important study of magnetism, Epistola de Magnete, in which he described simple magnetic attraction and repulsion. He improved the compass by placing the lodestone on a pivot and surrounding it with a graduated directional scale. His ideas were further elaborated in the 16th cent. by William GilbertGilbert, William, 1544–1603, English scientist and physician. He studied medicine at Cambridge (M.D., 1569), where he was elected a Fellow of St. John's College, and set up practice in London, becoming president of the College of Physicians (1599) and court physician to ..... Click the link for more information. .
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