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A treatise of artificial magnets
in which is shewn an easy and expeditious method of making them, superior to the best natural ones ; And Also, A Way of improving the Natural Ones, and of changing or converting their Poles. Directions are likewise given For making the Mariner's Needles in the best Form, and for touching them most advantageously, &c. By J. Michell, B. A. Fellow of Queen's College, Cambridge -
A method of making artificial magnets without the use of natural ones
Communicated to the Royal Society by John Canton, M.A. and Fellow of the said Society