TY - JOUR T1 - Note on the Secular Change of Magnetic Dip, as Recorded at the Kew Observatory JF - Proceedings of the Royal Society of London (1854-1905) VL - 15 SP - 8 EP - 9 PY - 1866/01/01/ UR - http://dx.doi.org/10.1098/rspl.1866.0005 M3 - doi:10.1098/rspl.1866.0005 AU - Stewart, B. ER -