TY - JOUR T1 - The Homogeneity of Helium and of Argon JF - Proceedings of the Royal Society of London (1854-1905) VL - 60 SP - 206 EP - 216 PY - 1896/01/01/ UR - http://dx.doi.org/10.1098/rspl.1896.0040 M3 - doi:10.1098/rspl.1896.0040 AU - Ramsay, W. AU - Collie, J. ER -