The letter of Petrus Peregrinus on the magnet, A.D. 1269
By: translated by Brother Arnold... with introductory notice by Brother Potamian...
Contributors: Arnold, brother, b. 1868.
Publisher: McGraw publishing company
Published: 1904
Place of publication: New York
Language: eng
Number of pages: 41
Subjects: Magnetism -- Early works to 1800
Genres: Early works to 1800.