TY - JOUR T1 - On the Measurement of the Magnetic Properties of Iron JF - Philosophical Transactions of the Royal Society of London. A (1887-1895) VL - 184 SP - 531 EP - 542 PY - 1893/01/01/ UR - http://dx.doi.org/10.1098/rsta.1893.0008 M3 - doi:10.1098/rsta.1893.0008 AU - Gray, T. ER -