Magnetical Investigations, Bind 2Longman, Orme, Brown, Green, and Longmans, 1843 |
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Side 99
... average weight of 2869 grains . The quality and temper of these plates were in general very equable ; the deviating ... mean power of the whole , as tried separately , being 16 ° 10 ' . These plates were all pierced with four cor ...
... average weight of 2869 grains . The quality and temper of these plates were in general very equable ; the deviating ... mean power of the whole , as tried separately , being 16 ° 10 ' . These plates were all pierced with four cor ...
Side 101
... mean weight . The modes of magnetising the plates and bars , and of determining their respective powers having been described in Part I. Chapters II . and III , —we are prepared for the consideration of the investigations , with this ...
... mean weight . The modes of magnetising the plates and bars , and of determining their respective powers having been described in Part I. Chapters II . and III , —we are prepared for the consideration of the investigations , with this ...
Side 104
... weight , ( 6.150 lbs . ) , exhibit a mean power of 64 ° 30 ' , the tangent being 2096 . After the completion of the series of experi- ments of the " Reverse Order " in this Table , the thirty plates were again separated into five ...
... weight , ( 6.150 lbs . ) , exhibit a mean power of 64 ° 30 ' , the tangent being 2096 . After the completion of the series of experi- ments of the " Reverse Order " in this Table , the thirty plates were again separated into five ...
Side 111
... weight of 2.870 lbs , being very nearly the same mass , produced a deviation of 53 ° 50 ′ in one trial , ( col . iv . ) and of 57 ° 23 ′ , in another ( col . 11. ) , the mean of the tangents indicating above double the power of either ...
... weight of 2.870 lbs , being very nearly the same mass , produced a deviation of 53 ° 50 ′ in one trial , ( col . iv . ) and of 57 ° 23 ′ , in another ( col . 11. ) , the mean of the tangents indicating above double the power of either ...
Side 140
... average thickness of ' 057 inch , and of the weight of 545 pound , the former averaging 042 inch in thickness , and 410 pound weight . This new set of plates consisted of twenty - four in number , of which sixteen were tempered equably ...
... average thickness of ' 057 inch , and of the weight of 545 pound , the former averaging 042 inch in thickness , and 410 pound weight . This new set of plates consisted of twenty - four in number , of which sixteen were tempered equably ...
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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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