NOTES - The Letter of Petrus Peregrinus on the Magnet, A.D. 1269 - 5 - active 13th century de Maricourt Pierre

The Letter of Petrus Peregrinus on the Magnet, A.D. 1269
active 13th century de Maricourt Pierre

PART II EARLY REFERENCES TO THE MARINER’S COMPASS

NOTES