TY - JOUR T1 - On the Change in Hue of Spectrum Colours by Dilution with White Light JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 83 IS - 560 SP - 120 EP - 127 PY - 1909/12/10/ UR - http://dx.doi.org/10.1098/rspa.1909.0085 M3 - doi:10.1098/rspa.1909.0085 AU - de W. Abney, W. ER -