TY - JOUR T1 - On Periodical Laws Discoverable in the Mean Effects of the Larger Magnetic Disturbances. No. II JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 142 SP - 103 EP - 124 PY - 1852/01/01/ UR - http://dx.doi.org/10.1098/rstl.1852.0009 M3 - doi:10.1098/rstl.1852.0009 AU - Sabine, E. ER -