Magnetical Investigations, Том 2Longman, Orme, Brown, Green, and Longmans, 1843 |
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Сторінка 109
... con- structed in which the mass was of no consequence , or which might be made indefinitely light , or requiring the least possible momentum -- then a single magnetic plate , as thin and light as possible , would be the.
... con- structed in which the mass was of no consequence , or which might be made indefinitely light , or requiring the least possible momentum -- then a single magnetic plate , as thin and light as possible , would be the.
Сторінка 110
William Scoresby. as thin and light as possible , would be the best . But as , for all ordinary uses in magnetical instruments , a given mass and momentum are absolutely necessary , for over- coming the resistance of the air and abiding ...
William Scoresby. as thin and light as possible , would be the best . But as , for all ordinary uses in magnetical instruments , a given mass and momentum are absolutely necessary , for over- coming the resistance of the air and abiding ...
Сторінка 127
... thin discs ( 0.14 inch ) over contract at the ends , was as 136.3 to 131.1 , or as 100 to 96-2 ; and the advantage of entire separation over entire con- tact , was as 136.3 to 127-3 , or as 100 to 93.4 . In this case , the separated ...
... thin discs ( 0.14 inch ) over contract at the ends , was as 136.3 to 131.1 , or as 100 to 96-2 ; and the advantage of entire separation over entire con- tact , was as 136.3 to 127-3 , or as 100 to 93.4 . In this case , the separated ...
Сторінка 134
... thin plates , it by no means followed that this was a general law , -as we shall hereafter find it did not in the case of other results obtained with like masses . On the contrary , it will be abun- dantly proved , that the principles ...
... thin plates , it by no means followed that this was a general law , -as we shall hereafter find it did not in the case of other results obtained with like masses . On the contrary , it will be abun- dantly proved , that the principles ...
Сторінка 137
... thin plates , or small masses , the effect in combi- nation would have been to diminish the energy of the plates , whereas a considerable gain of ----- power was yielded by the heating of the middle of POWERS OF MAGNETIC COMBINATIONS . 137.
... thin plates , or small masses , the effect in combi- nation would have been to diminish the energy of the plates , whereas a considerable gain of ----- power was yielded by the heating of the middle of POWERS OF MAGNETIC COMBINATIONS . 137.
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Загальні терміни та фрази
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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