Scientific American. May 21, 1892.] 323 It will be seen from the figure that the magnets, and through their vapory folds the winking stars shine It must not be taken for granted that there is such … single magnetic pole, as such poles always exist in pairs, and no matter into how small pieces we may Fig. 2—LINES OF FORCE PRODUCED BY THE EARTH Fig. 1—SUN SPOTS AS SEEN THROUGH THE 96 INCH break a magnet, each3piece has two poles, which have CONSIDERED AS A MAGNET. EQUATORIAL AT THE NAVAL…
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