TY - JOUR T1 - A New Method of Spectrophotometry in the Visible and Ultraviolet and the Absorption of Light by Silver Bromide JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 97 IS - 683 SP - 181 EP - 190 PY - 1920/04/15/ UR - http://dx.doi.org/10.1098/rspa.1920.0023 M3 - doi:10.1098/rspa.1920.0023 AU - Slade, R. ER -