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Author: John Michell
Publisher:
ISBN:
Category : Magnetism
Languages : en
Pages : 90
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Book Description
Author: John Michell
Publisher:
ISBN:
Category : Magnetism
Languages : en
Pages : 90
Get Book Here
Book Description
Author: John Michell
Publisher:
ISBN:
Category : Magnetism
Languages : en
Pages : 81
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Book Description
Author: John Michell
Publisher:
ISBN:
Category : Magnetics
Languages : en
Pages : 0
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Book Description
Author: John Michell
Publisher: Theclassics.Us
ISBN: 9781230222738
Category :
Languages : en
Pages : 18
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Book Description
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1751 edition. Excerpt: ... METHOD OF MAKING Artificial Magnets. BEFORE we come to the Method of making Magnets, it may not be amifg to obferve, that every Magnet has two Poles, (as they are called, ) that is, two Points from which the attractive and repulfive powers feem, to fpread themfclves, and to which they are directed; at the neareft parts to which, if other circumftances be the fame, the Magnet always ads ftrongeft. One of thefe is called the North Pole, and the other the South; and that is generally, and moft properly called the rf South Pole, which, if the Magnet was put into a little boat of Wood, or other Materials, (large enough to fupport it, ) and fet afloat in water, would f This is the Senfe in which they are always underftood, by the bell Authors. See Gilbertus deMagmte. Mr. Savery in the Philof. Tranf. and feveral others, that have written upon this Subject. The Reafon of calling them thus, is, that the Pole of the Magnet, which turns towards the South, is of the fame kind with the Northern Magnetic Pole or Poles of the Earth; and contrariwife. turn turn itfelf towards the North: and that is mof t properly called the North Pole, which would turn towards the South. This is the Senfe, in which I would always be under flood when I fpcak of them. A South Pole of one Magnet always attracts the North Vole of another, and repels the South Pole; and on the contrary, a North Pole attracts the South Pole, and repels the North Pole of another. If any one therefore has a mind to touch a Needle, whofe Point he would have-turn towards the North, he begins by placing the other end of the Needle on the North Pole of the Magnet; and drawing it gradually along, he finilhes with the Point: for the Point being laft attracted, will continue to be attracted by the North.
Author: John Michell
Publisher:
ISBN:
Category : Magnetism
Languages : en
Pages : 81
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Book Description
Author: Russell McCormmach
Publisher: Springer Science & Business Media
ISBN: 9400720211
Category : Science
Languages : en
Pages : 495
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Book Description
The book about John Michell (1724-93) has two parts. The first and longest part is biographical, an account of Michell’s home setting (Nottinghamshire in England), the clerical world in which he grew up (Church of England), the university (Cambridge) where he studied and taught, and the scientific activities he made the center of his life. The second part is a complete edition of his known letters. Half of his letters have not been previously published; the other half are brought together in one place for the first time. The letters touch on all aspects of his career, and because they are in his words, they help bring the subject to life. His publications were not many, a slim book on magnets and magnetism, one paper on geology, two papers on astronomy, and a few brief papers on other topics, but they were enough to leave a mark on several sciences. He has been called a geologist, an astronomer, and a physicist, which he was, though we best remember him as a natural philosopher, as one who investigated physical nature broadly. His scientific contribution is not easy to summarize. Arguably he had the broadest competence of any British natural philosopher of the eighteenth century: equally skilled in experiment and observation, mathematical theory, and instruments, his field of inquiry was the universe. From the structure of the heavens through the structure of the Earth to the forces of the elementary particles of matter, he carried out original and far-reaching researches on the workings of nature.
Author: Sir William Snow Harris
Publisher:
ISBN:
Category : Magnetism
Languages : en
Pages : 372
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Book Description
Author:
Publisher: American Philosophical Society
ISBN: 9781422381328
Category :
Languages : en
Pages : 248
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Book Description
Author: Bernard Quaritch (Firm)
Publisher:
ISBN:
Category : Antiquarian booksellers
Languages : en
Pages : 1008
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Book Description
Author: Roderick Weir Home
Publisher: Princeton University Press
ISBN: 1400869528
Category : Technology & Engineering
Languages : en
Pages : 529
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Book Description
First published in St. Petersburg in 1759, F.U.T. Aepinus's Tenuimen theoriae electricilatis el magnetismi was one of the outstanding achievements of eighteenth-century physics. Its rigorous mathematical investigation of electricity and magnetism was an important and innovative departure from the primarily qualitative and nonmathematical treatments that preceded it. P. J. Connor's translation of the original Latin edition is the first to appear in any western European language, and the introductory monograph and notes by R. W. Home provide a far more definitive account of Aepinus's life and work than has heretofore been attempted. Originally published in 1979. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
