TY - JOUR T1 - On the Lunar-Diurnal Variation of the Magnetic Declination Obtained from the Kew Photograms in the Years 1858, 1859, and 1860 JF - Proceedings of the Royal Society of London (1854-1905) VL - 11 SP - 73 EP - 80 PY - 1860/01/01/ UR - http://dx.doi.org/10.1098/rspl.1860.0015 M3 - doi:10.1098/rspl.1860.0015 AU - Sabine, E. ER -