TY - JOUR T1 - Dispersion of Light by Potassium Vapour JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 84 IS - 570 SP - 209 EP - 225 PY - 1910/09/15/ UR - http://dx.doi.org/10.1098/rspa.1910.0073 M3 - doi:10.1098/rspa.1910.0073 AU - Bevan, P. ER -