Magnetical Investigations, Том 2Longman, Orme, Brown, Green, and Longmans, 1843 |
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Сторінка 81
... to say that the researches have been of a very elaborate nature and extent . The Tables given in this part of the work alone are the result of above four thousand observations on the deviations produced by the numerous magnetical plates ...
... to say that the researches have been of a very elaborate nature and extent . The Tables given in this part of the work alone are the result of above four thousand observations on the deviations produced by the numerous magnetical plates ...
Сторінка 99
... four cor- responding holes , two about an inch from the centre , and two about an inch and a half from the ends , as represented in the annexed figure : · By these holes , any number of the plates could LAWS OF MAGNETIC COMBINATIONS . 99.
... four cor- responding holes , two about an inch from the centre , and two about an inch and a half from the ends , as represented in the annexed figure : · By these holes , any number of the plates could LAWS OF MAGNETIC COMBINATIONS . 99.
Сторінка 100
... ends . - For Corresponding with the steel plates now de- scribed - in length , breadth , and quality of steel -I procured from the same manufacturer four bars of about 62 inch in thickness , -the two 100 MAGNETICAL INVESTIGATIONS .
... ends . - For Corresponding with the steel plates now de- scribed - in length , breadth , and quality of steel -I procured from the same manufacturer four bars of about 62 inch in thickness , -the two 100 MAGNETICAL INVESTIGATIONS .
Сторінка 108
... four inches length , as placed in contact , are shewn by the course and position of the lowest and thickest curve ; whilst the degree of superiority of the power of such plates , over equal masses in a solid bar , or two bars together ...
... four inches length , as placed in contact , are shewn by the course and position of the lowest and thickest curve ; whilst the degree of superiority of the power of such plates , over equal masses in a solid bar , or two bars together ...
Сторінка 112
... four smaller plates of greater proportional thickness , the proportional thickness being as 2.5 to 1 , the last twenty - two , which were added to the fasciculus , did not quite double the power of the first two . Analagous results were ...
... four smaller plates of greater proportional thickness , the proportional thickness being as 2.5 to 1 , the last twenty - two , which were added to the fasciculus , did not quite double the power of the first two . Analagous results were ...
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7.5 inch plates Average Weight bars or plates betwixt blister steel Bradford iron busks cast iron chapter cloth column combinations of magnetised compared comparison compass needles compound magnets considerable construction corresponding curve degree of hardness denomination determined deviating power diagram different lengths dimensions directive powers Effects of Annealing employed exhibited experiments extent foreign iron gain hard cast steel hard plates hardened heat hoop-L horse-shoe form inches in length inquiry investigation J. C. LOUDON linseed oil magnetic capacity magnetic energy magnetical powers magnets of different Mean Deviation mean power method of deviations method of torsion obtained pairs plates or bars pound mass Power in Combination powers of magnets proportional powers ratio reduced relative directive relative powers respective SECT separately shewn shews similar single bar six plates six-inch steel from Bradford Table tangent temperature tempered plates Tested thickness thin plates tion various vols whilst
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