TY - JOUR T1 - Preliminary Note on a Theory of Magnetism Based upon New Experimental Researches JF - Proceedings of the Royal Society of London (1854-1905) VL - 35 SP - 19 EP - 20 PY - 1883/01/01/ UR - http://dx.doi.org/10.1098/rspl.1883.0003 M3 - doi:10.1098/rspl.1883.0003 AU - Hughes, D. ER -