A Treatise on Magnetism: Designed for the Use of Students in the University |
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action angle angular angular momentum attraction axis azimuth blue end blue magnetism blue pole cloth College compass compass-needle correct cos² cotan Crown 8vo curves deflect deflexion diagram directive force distance disturbing magnet dV dV earth's Edition effect elementary English equal equation external magnetic fcap Figure force H formulæ horizontal plane induced magnetism induction investigation magnet-power magnetic force magnetic meridian Magnetic Pole mass of iron measured molecular magnet moment of inertia needle netism North Magnetic Pole numerical observations opposite ordinates permanent magnetism phænomena Poisson's position produced red end red magnetism red pole remarked represented repulsion rotation Royal Observatory Schools sensible ship's head soft iron steel magnet subpermanent magnetism supposed term terrestrial horizontal force terrestrial magnetism theory tion total force transversal treatise vertical force vibration wire