A Treatise on Magnetism: Designed for the Use of Students in the University

angle angular momentum Article Astronomical Meridian attraction axis azimuth blue end blue magnetism blue pole broadside-on cloth College compass compass-needle correction cotan Crown 8vo curves deflect deflexion deviation direction distance disturbing magnet Edition effect elementary end-on English equal equation experiment fcap Figure formulæ horizontal plane induced magnetism investigations latitude magnet-power Magnetic Declination magnetic force magnetic meridian Magnetic Pole mass of iron measured Metric System moment of inertia needle netism North Magnetic Pole observations opposite parallel position produced proportion red end red magnetism red pole remarked represented repulsion Reversed Telescope rotation Royal Observatory Schools sensible ship ship's head sinh soft iron steel magnet subpermanent magnetism supposed suspension-thread term terrestrial horizontal force terrestrial magnetism theodolite theory tion torsion-power total force treatise vertical force vibration wire δμ