Petrus Peregrinus

Japanese: ペトルス・ペレグリヌス(英語表記)Petrus Peregrinus
Petrus Peregrinus
A 13th-century French scholar. His real name was Pierre de Maricourt, and his Latin name was Petrus Peregrinus. Dates of birth and death unknown. Originally from Picardy, he was a fellow student of R. Bacon when he was in Paris. In 1269, Peregrinus wrote "Letters on the Magnet" during the campaign when Charles of Anjou set out to conquer Lucerne in Italy. He is thought to have served in the army as an engineer. In "Letters on the Magnet," he describes how to find the poles of a natural magnet, describes how cutting a magnet in two reveals the poles at the cut surface, and formulates the reason why magnets attract each other.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
13世紀フランスの学者。本名ピエール・ド・マリクールPierre de Maricourtで,ペトルス・ペレグリヌスはラテン名。生没年不詳。ピカルディー出身で,パリにいたころはR.ベーコンの学友であった。アンジュー家のシャルルがイタリアのルチェラ征服におもむいたときの陣中で,1269年にペレグリヌスは《磁石についての手紙》を書いた。彼は技術者として従軍していたと考えられる。《磁石についての手紙》の中で彼は,天然磁石の極をさがす方法を述べ,磁石を二つに切断すると切断面に極が現れることを記述し,磁石どうしの吸引が生ずる理由を定式化した。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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