TY - JOUR T1 - On the Relations of the Secular Variation of the Magnetic Declination and Inclination at London, Cape of Good Hope, St. Helena and Ascension Island, as Exhibited on the Magnetarium JF - Proceedings of the Royal Society of London (1854-1905) VL - 55 SP - 210 EP - 217 PY - 1894/01/01/ UR - http://dx.doi.org/10.1098/rspl.1894.0030 M3 - doi:10.1098/rspl.1894.0030 AU - Wilde, H. ER -