TY - JOUR T1 - Further Experiments on the Vapour Densities of Potassium and Sodium JF - Proceedings of the Royal Society of London (1854-1905) VL - 29 SP - 490 EP - 493 PY - 1879/01/01/ UR - http://dx.doi.org/10.1098/rspl.1879.0073 M3 - doi:10.1098/rspl.1879.0073 AU - Dewar, J. AU - Scott, A. ER -