TY - JOUR T1 - On the Law of Disturbance and the Range of the Diurnal Variation of Magnetic Declination near the Magnetic Equator, with Reference to the Moon's Hour-Angle JF - Proceedings of the Royal Society of London (1854-1905) VL - 11 SP - 298 EP - 302 PY - 1860/01/01/ UR - http://dx.doi.org/10.1098/rspl.1860.0063 M3 - doi:10.1098/rspl.1860.0063 AU - Broun, J. ER -