The magnet becomes alternately mag- < in » — In the accompanying engravings, Fig. 1 shows how a Next to moral weakness, a fear of the difficulties to netized and demagnetized, and the bar is alternately bar of steei may be set in active vibration by drops of to be met is, undoubtedly, the most… … NEW HALL OF THE DIEULAFOY MUSEUM, PARIS. ) 1889 SCIENTIFIC AMERICAN, INC.
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