TY - JOUR T1 - On Photometry of the Glow Lamp JF - Proceedings of the Royal Society of London (1854-1905) VL - 43 SP - 247 EP - 263 PY - 1887/01/01/ UR - http://dx.doi.org/10.1098/rspl.1887.0128 M3 - doi:10.1098/rspl.1887.0128 AU - Abney, C. AU - Festing, M. ER -