TY - JOUR T1 - On Radiant Matter Spectroscopy: Examination of the Residual Glow JF - Proceedings of the Royal Society of London (1854-1905) VL - 42 SP - 111 EP - 131 PY - 1887/01/01/ UR - http://dx.doi.org/10.1098/rspl.1887.0022 M3 - doi:10.1098/rspl.1887.0022 AU - Crookes, W. ER -