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 692
etism at M »/ 576 That is, if the force of the magnetism at the second place is taken as unity,that of the first is 1*085. ^f the magnetic condition of the needle had notchanged in the inter\al between the two obscr\ations, this method wouldgive the relation of the force at the two places. In these… … -702] Magnetic Observatories. 66y accuracy, and therefore those of the declination needle are usually taken.The force which makes the declination needle oscillate is only a portionof the total magnetic force, and is smaller in proportion as the inclinationis greater. If a line nc=M (fig. 643)…
Physics
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