TY - JOUR T1 - The Theory of the Katharometer JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 97 IS - 685 SP - 273 EP - 286 PY - 1920/06/01/ UR - http://dx.doi.org/10.1098/rspa.1920.0033 M3 - doi:10.1098/rspa.1920.0033 AU - Daynes, H. AU - Shakespear, G. ER -