Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book . Fig. 63. ?Plan of Compass Card andBowls. Index to Figs. 62 and 63. CB represents Compass Bowl and represents Compass Bowl represents Gimbal represents Gimbal Ring represents Binnacle represents Lubber Line (Fig. 62.) S-position, due to the earths field, but is not attracted toward the side VSR&SMBjfflim of the basin nearest to the ^ earths magnetic S-pole, as might be expected, we being so much nearer the south than the north magneti


Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book . Fig. 63. ?Plan of Compass Card andBowls. Index to Figs. 62 and 63. CB represents Compass Bowl and represents Compass Bowl represents Gimbal represents Gimbal Ring represents Binnacle represents Lubber Line (Fig. 62.) S-position, due to the earths field, but is not attracted toward the side VSR&SMBjfflim of the basin nearest to the ^ earths magnetic S-pole, as might be expected, we being so much nearer the south than the north magnetic pole. The poles Fig# by the Earths Field. of the earth are so far away that the short distance between the two poles of the barceases to be of any account, when compared with the distanceof these poles from the earths poles. The forces of attraction. Test-needle. EARTHS MAGNETISM. 47


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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyo, bookyear1901