TY - JOUR T1 - On an Anomaly Encountered in Determinations of the Density of Nitrogen Gas JF - Proceedings of the Royal Society of London (1854-1905) VL - 55 SP - 340 EP - 344 PY - 1894/01/01/ UR - http://dx.doi.org/10.1098/rspl.1894.0048 M3 - doi:10.1098/rspl.1894.0048 AU - Rayleigh, L. ER -