Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 703
Knight in 1745, consists in placing the two opposite poles of twomagnets of equal force in the middle of the bar to be magnetised, and inmoving each of them simultaneously towards the opposite ends of the bar.Each magnet is then placed in its original position and the operation re-peated. After… … Fig. 649. more by placing the bar to be magnetised on the opposite poles of two fixedmagnets, the action of which strengthens that of the movable magnets. Therelative position of the poles of the magnets is indicated in the figure. Thismethod produces the most regular magnets. 713. Metbod of double…
Physics
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