ISBN: 9781236443366

RareBooksClub. Paperback. New. This item is printed on demand. Paperback. 36 pages. Dimensions: 9.7in. x 7.4in. x 0.1in.This historic book may have numerous typos and missing text. Purc… More...

RareBooksClub. Paperback. New. This item is printed on demand. Paperback. 36 pages. Dimensions: 9.7in. x 7.4in. x 0.1in.This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1876 Excerpt: . . . that is to say, horizontally perpendicular to the magnetic meridian. From the dip or inclination of the magnetic needle on V various parts of the earths surface--as magnetism is a dual force--wo infer that one of its poles is attracted by the magnetism existing in the upper atmosphere, while the other is attracted to the magnetism in the crust of the earth beneath. At Peru the dip is. 0, owing probably to the heat in the interior of the earth under Peru, which ia, i frequently manifested in the most violent earthquakes and, . -, volcanic action, and heat we know destrovs magnetism. As the dip of the needle in either hemisphere increases from the Uvt-ju-Uv, magnetic equator toward the poles, it is obvious that the ( magnetism in the upper atmosphere, as well as in the crust of the earth, also increases in a like proportion, attributable J, doubtless to the increased cold, both of the upper atmosphere, , and the crust of the earth in high latitude, and as negative-- . electricity and magnetism are both associated with extreme cold, we find herein an explanation of the dip of the magnetic-, needle. , i. In the attraction and repulsion of the magnetic needle, I horizontally, at the magnetic equator towards the north and South poles of the earth, we have a dual horizontal force. In the deviation of the needle east or west of north or south, Me have another dual force acting horizontally. In the class of subjects called dia-magnetic, which arrange themselves at right angles to the magnetic meridian, or equatorially as it is termed, . we have another dual force acting horizontally. In the dip of the needle, which is nothing at the magnetic equator, but whose angle with the horizon increasing There-from as we advance towards either pole till it reaches (0. . . This item ships from La Vergne,TN., RareBooksClub<

ISBN: 9781236443366

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