TY - JOUR T1 - On Time-Lag in the Magnetisation of Iron JF - Proceedings of the Royal Society of London (1854-1905) VL - 46 SP - 269 EP - 286 PY - 1889/01/01/ UR - http://dx.doi.org/10.1098/rspl.1889.0033 M3 - doi:10.1098/rspl.1889.0033 AU - Ewing, J. ER -