y to his present high and widely spread In this experiment, represented in Fig. 17, the magnet has important law, which may be civilization, than this one of the capability of steel to receive directly adhering to it a large nail. This nail is thus made summed up thus: and retain the properties of… … a piece of steel in place of the soft end of the suspended magnet. Hence to tell whether a cer- iron. Select a short thick sewing needle that contains no Further Experiments in Magnetic Induction.—Let us, by tain bar isa magnetic substance or a magnet, we place it magnetism. Of this you may be sure…
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