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" The steel magnet is stationary ; but when the armature, together with its appendages, is made to rotate horizontally, the edge of the disc always remains immersed in the mercury, while the points of the copper slip alternately dip in it and rise above... "
On the Connexion of the Physical Sciences - Page 252
by Mary Somerville - 1834 - 458 pages
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The Quarterly Review

William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray (IV), Rowland Edmund Prothero (Baron Ernle) - 1834
...armature, together with its appendages, is made to rotate horizontally, the edge of the disc always remains immersed in the mercury, while the points...temporary magnetism to the helices which concentrate it ; and while one set conveys a current to the disc, the other set conducts the opposite current to...
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The Quarterly Review

William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray (IV), Rowland Edmund Prothero (Baron Ernle) - 1834
...armature, together with its appendages, is made to rotate horizontally, the edge of the disc always remains immersed in the mercury, while the points...temporary magnetism to the helices which concentrate it ; and while one set conveys a current to the disc, the other set conducts the opposite current to...
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The Connection of the Physical Sciences

Mary Somerville - 1834 - 356 pages
...armature, together with its appendages, is made to rotate horizontally, the edge of the disc always remains immersed in the mercury, while the points...temporary magnetism to the helices which concentrate it; and while one set conveys a current to the disc, the other set conducts the opposite current to...
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Iron: An Illustrated Weekly Journal for Iron and Steel ..., Volume 20

Perry Fairfax Nursey - 1834
...appendages, is made to rotate horizontally, the edge of the disc always remains immersed in the mercery, while the points of the copper slip alternately dip...temporary magnetism to the helices which concentrate it; and while one set conveys current to the disc, the other set conducts the Opposite current to the...
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Mechanics' Magazine, Volume 20

1834
...armature, together with its appendages, is made to rotate horizontally, the edge of the disc always remains immersed in the mercury, while the points...magnet, and ceases to be magnetic when they are at fight angles to them. It imparts its temporary magnetism to the helices which concentrate it; and while...
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The Printing machine (or, Companion to the library) [ed. by J.H.L. Hunt].

...armature, together with its appendages, is made to rotate horizontally, tho edge of the disc always remains immersed in the mercury, while the points...opposite the poles of the steel magnet, and ceases to Lo 1S3L THE PRINTING MACHINE; magnetic when they are at right angles to them. It imparts its temporary...
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Electro-magnetism: History of Davenport's Invention of the Application of ...

Benjamin Silliman - 1837 - 94 pages
...armature, together with its appendages, is made to rotate horizontally, the edge of the disc always remains immersed in the mercury, while the points...temporary magnetism to the helices which concentrate it ; and while one set conveys a current to the disc, the other set conducts the opposite current to...
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The Quarterly review, Volume 51

1834
...armature, together with its appendages, is made to rotate horizontally, the edge of the disc always remains immersed in the mercury, while the points...ceases to be magnetic when they are at right angles to then). It imparts its temporary magnetism to the helices which concentrate it ; and while one set conveys...
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Familiar Illustrations of Natural Philosophy: Selected Principally from ...

James Renwick - 1840 - 403 pages
...induction, the armature becomes a temporary magnet whenever its bent ends are opposite the poles of the magnet, and ceases to be magnetic when they are at right angles to them. The momentary generation and destruction of the magnetic force, which will- be oppositely directed...
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On the Connexion of the Physical Sciences

Mary Somerville - 1849 - 524 pages
...the armature, together with its appendages, is made to rotate vertically, the edge of the disc always remains immersed in the mercury, while the points...temporary magnetism to the helices which concentrate it ; and, while one set conveys a current to the disc, the other set conducts the opposite current...
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