Magnetical Investigations, Bind 2Longman, Orme, Brown, Green, and Longmans, 1843 |
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Side 99
... heating , and there fixed . As the results with steel plates of different lengths were found , in all essential points , correspondent - one example may be sufficient to be described in detail . And for this it will be convenient , for ...
... heating , and there fixed . As the results with steel plates of different lengths were found , in all essential points , correspondent - one example may be sufficient to be described in detail . And for this it will be convenient , for ...
Side 132
... heat of " cherry - red " ( a moderate degree of hardness only ) ; but this recommen- dation rather went against the supposition of greater degrees of hardness than that being generally advantageous . The field of investigation ...
... heat of " cherry - red " ( a moderate degree of hardness only ) ; but this recommen- dation rather went against the supposition of greater degrees of hardness than that being generally advantageous . The field of investigation ...
Side 136
... temper — with the comparative powers of a part of the same series when reduced throughout their length , by heating as before . TABLE exhibiting the Comparative Powers , in combina- tion , 136 MAGNETICAL INVESTIGATIONS .
... temper — with the comparative powers of a part of the same series when reduced throughout their length , by heating as before . TABLE exhibiting the Comparative Powers , in combina- tion , 136 MAGNETICAL INVESTIGATIONS .
Side 137
... heating , and ( as it is assumed ) reducing in temper , were not such as had been expected . For , from all foregoing experiments , I had been led to conclude , that , whatever might have been the effect of the reducing of the temper in ...
... heating , and ( as it is assumed ) reducing in temper , were not such as had been expected . For , from all foregoing experiments , I had been led to conclude , that , whatever might have been the effect of the reducing of the temper in ...
Side 138
William Scoresby. power was yielded by the heating of the middle of the plates , and some increase beyond the original power , though not to the same extent , was produced by a corresponding heating of the plates from end to end . This ...
William Scoresby. power was yielded by the heating of the middle of the plates , and some increase beyond the original power , though not to the same extent , was produced by a corresponding heating of the plates from end to end . This ...
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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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