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.

  • Michell, John, 1724?-1793.
Date:
1750
Catalogue details

Licence: Public Domain Mark

Credit: 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. Source: Wellcome Collection.

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    5334^ A TREATISE O F In which is {hewn An eafy and expeditious Method of making them, Superior to the beft Natural Ones: AND ALSO, A Way of improving the Natural Ones, and of changing or converting their Poles. Dire&ions are ILkewife given For making the Mariner*s Needles in the bed Form0 and for touching them mod advantageoufly, &c. By J. MICHELL, B.A. Fellow of green's College, Cambridge. s CAMBRIDGE: Printed by J.BENTHAM, Printer to the UNIVERSITY; and Sold by W. & J. Mount Sc T. Page on Tower-Hill, J.&P.Knapton in Ludgate-llreet, C.Bathurst in Fleet flreet, London; W. Thurlbourn, and J. Merrill, in Cambridge'* J.Hildyard at Yorky and J. Fletcher at Oxford. M.DCC.L,