TY - JOUR T1 - Note on the Possibility of Obtaining a Unidirectional Current to Earth from the Mains of an Alternating Current System JF - Proceedings of the Royal Society of London (1854-1905) VL - 56 SP - 99 EP - 103 PY - 1894/01/01/ UR - http://dx.doi.org/10.1098/rspl.1894.0083 M3 - doi:10.1098/rspl.1894.0083 AU - Cardew, P. ER -