TY - JOUR T1 - Account of a Comparison of Magnetic Instruments at Kew Observatory JF - Proceedings of the Royal Society of London (1854-1905) VL - 62 SP - 155 EP - 159 PY - 1897/01/01/ UR - http://dx.doi.org/10.1098/rspl.1897.0087 M3 - doi:10.1098/rspl.1897.0087 AU - Chree, C. ER -