TY - JOUR T1 - First Analysis of One Hundred and Seventy-Seven Magnetic Storms, Registered by the Magnetic Instruments in the Royal Observatory, Greenwich, from 1841 to 1857 JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 153 SP - 617 EP - 648 PY - 1863/01/01/ UR - http://dx.doi.org/10.1098/rstl.1863.0029 M3 - doi:10.1098/rstl.1863.0029 AU - Airy, G. ER -