A Method of Making Artificial Magnets without the use of Natural Ones, Communicated to the Royal ...

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.

CANTON (John)

Editorial: London: s.n. Printed in the Year MDCCLI, 1751
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First and only edition, 4to, 10pp.,one fold-out engraved plate with six illustrations, recent quarter calf, marbled paper boards, red morocco title label on upper cover. Canton's invention of a technique for magnetizing iron bars to produce artificial magnets. A way of doing this had been discovered shortly before by Gowin Knight, who kept the method secret while he sought to exploit its commercial possibilities; these were considerable on account of the consequential improvements to the mariner's compass. Knight's success encouraged others to take up the subject. Canton seems to have begun experimenting in 1747 out of frustration at the price Knight wanted to charge him for a pair of magnets. His first successes led him to toy briefly with the idea of going into business himself. He showed his method to visitors including David Fordyce, professor at Aberdeen, who may have been responsible for Canton's being awarded an MA degree by King's College, Aberdeen, in April 1750. John Michell in Cambridge had also been experimenting on producing magnets and in 1750 published his method. This prompted Canton to report his own, very similar, technique to the Royal Society, of which he had that year become a fellow. Michell accused him of plagiarism but no one in London believed the charge since they knew that Canton had been producing magnets for several years. So unconvinced of the allegation were members of the Royal Society, indeed, that the society awarded him its Copley medal for 1751 for his work. Dictionary of Scientific Biography III, p. 51. N° de ref. de la librería 34271

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Título: A Method of Making Artificial Magnets ...

Editorial: London: s.n. Printed in the Year MDCCLI

Año de publicación: 1751

Encuadernación: Hardcover

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initially specializing in bibliography and the book arts, but now concentrating on rare and interesting antiquarian books on a wide range of subjects, with an emphasis on the unusual.

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unsatisfactory may be returned within seven days of receipt. I accept credit/debit cards - Visa, Mastercard, Maestro. Payment by cheque is also accepted - pounds Sterling only - payable to Forest Books. Telephone contact William Laywood - on (44) 01949 842360 for debit card payments or if you prefer to contact me personally. postal address: 1 Belvoir Road, Redmile, Notts. NG13 0GL. Libraries can be billed. Postal charges ...

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