TY - JOUR T1 - Address of the President, Sir William Crookes, O.M., at the Anniversary Meeting on November 30, 1915 JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 92 IS - 637 SP - 158 EP - 170 PY - 1916/01/01/ UR - http://dx.doi.org/10.1098/rspa.1916.0001 M3 - doi:10.1098/rspa.1916.0001 AU - Crookes, W. ER -