TY - JOUR T1 - On the Connexion between the State of the Sun's Surface and the Horizontal Intensity of the Earth's Magnetism JF - Proceedings of the Royal Society of London (1854-1905) VL - 34 SP - 406 EP - 409 PY - 1882/01/01/ UR - http://dx.doi.org/10.1098/rspl.1882.0057 M3 - doi:10.1098/rspl.1882.0057 AU - Stewart, B. ER -