Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 241
le isbalanced before magnetization, and a light movableweight is attached to overcome the effects of Inclinationand keep the needle uniformly horizontal. This is essen-tial to delicacy. 783. The Dipping Needle. If a carefully balanced nee-dle be magnetised, itno longer remains hor-izontal, but the… … Fig. 278. 784. If a dipping needle be placed at right angles to themagnetic meridian, it stands vertical. Placed in the me-ridian, by turning it around a vertical axis through exactly90°, it stands at an angle called the Inclination of theplace. At Greenwich, it is about 67°. 785. Magnetic Poles.…
Physics
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