TY - JOUR T1 - On the Measurement of the Magnetic Properties of Iron. JF - Proceedings of the Royal Society of London (1854-1905) VL - 51 SP - 503 EP - 504 PY - 1892/01/01/ UR - http://dx.doi.org/10.1098/rspl.1892.0038 M3 - doi:10.1098/rspl.1892.0038 AU - Gray, T. ER -