TY - JOUR T1 - On What the Colonial Magnetic Observatories Have Accomplished JF - Proceedings of the Royal Society of London (1854-1905) VL - 8 SP - 395 EP - 413 PY - 1856/01/01/ UR - http://dx.doi.org/10.1098/rspl.1856.0103 M3 - doi:10.1098/rspl.1856.0103 AU - Sabine, M. ER -