TY - JOUR T1 - Note on the Lunar-Diurnal Variation of Magnetic Declination JF - Proceedings of the Royal Society of London (1854-1905) VL - 16 SP - 59 EP - 60 PY - 1867/01/01/ UR - http://dx.doi.org/10.1098/rspl.1867.0013 M3 - doi:10.1098/rspl.1867.0013 AU - Broun, J. ER -