TY - JOUR T1 - On the Transmission Colours of Sulphur Suspensions JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 100 IS - 702 SP - 102 EP - 109 PY - 1921/10/04/ UR - http://dx.doi.org/10.1098/rspa.1921.0074 M3 - doi:10.1098/rspa.1921.0074 AU - Raman, C. AU - Ray, B. ER -