TY - JOUR T1 - Problems Bearing on Residual Affinity JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 93 IS - 655 SP - 533 EP - 549 PY - 1917/10/09/ UR - http://dx.doi.org/10.1098/rspa.1917.0038 M3 - doi:10.1098/rspa.1917.0038 AU - Pickering, S. ER -