TY - JOUR T1 - On an Induction-Currents Balance, and Experimental Researches Made Therewith JF - Proceedings of the Royal Society of London (1854-1905) VL - 29 SP - 56 EP - 65 PY - 1879/01/01/ UR - http://dx.doi.org/10.1098/rspl.1879.0012 M3 - doi:10.1098/rspl.1879.0012 AU - Hughes, D. ER -