Magnetical Investigations, Volume 2Longman, Orme, Brown, Green, and Longmans, 1843 - Magnetism |
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Page 100
... appear to be of admirable quality and of very superior power . And this degree and mode of tempering was fixed on , at the early stage of my researches , as the first advance towards an improvement in the ordinary method of con ...
... appear to be of admirable quality and of very superior power . And this degree and mode of tempering was fixed on , at the early stage of my researches , as the first advance towards an improvement in the ordinary method of con ...
Page 110
... appear . The same law , though differing in quantity , applies to the comparison of single bars of various thicknesses or masses , being in all other respects alike — the thinnest bars being always more energetic , proportionally , than ...
... appear . The same law , though differing in quantity , applies to the comparison of single bars of various thicknesses or masses , being in all other respects alike — the thinnest bars being always more energetic , proportionally , than ...
Page 111
... appears by comparing the results of the table at page 103 , with the powers of different single magnets - weight for weight . Thus , a pair of magnets , of the same length and breadth as the plates under examination , weighing 2.854 lbs ...
... appears by comparing the results of the table at page 103 , with the powers of different single magnets - weight for weight . Thus , a pair of magnets , of the same length and breadth as the plates under examination , weighing 2.854 lbs ...
Page 121
... appears to be as 1000 to 188.75 . Theoretically , the proportions might seem to be a little different , -being inversely as No — R2 : n2 — r2 , N being the near pole of the magnet , and R the remote pole , at one length distance ; and n ...
... appears to be as 1000 to 188.75 . Theoretically , the proportions might seem to be a little different , -being inversely as No — R2 : n2 — r2 , N being the near pole of the magnet , and R the remote pole , at one length distance ; and n ...
Page 139
... appears to be the very reverse of that obtained by a similar mode of treatment on the set of 8.7 inch plates . For in that case , a partial heating of the plates in the middle , until they assumed a purple colour , augmented the ...
... appears to be the very reverse of that obtained by a similar mode of treatment on the set of 8.7 inch plates . For in that case , a partial heating of the plates in the middle , until they assumed a purple colour , augmented the ...
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Common terms and phrases
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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