TY - JOUR T1 - Alternate Current Measurement JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 80 IS - 539 SP - 310 EP - 352 PY - 1908/05/05/ UR - http://dx.doi.org/10.1098/rspa.1908.0029 M3 - doi:10.1098/rspa.1908.0029 AU - Sumpner, W. ER -