TY - JOUR T1 - On the Reversal of the Lines of Metallic Vapours. No. VII JF - Proceedings of the Royal Society of London (1854-1905) VL - 29 SP - 402 EP - 406 PY - 1879/01/01/ UR - http://dx.doi.org/10.1098/rspl.1879.0068 M3 - doi:10.1098/rspl.1879.0068 AU - Liveing, G. AU - Dewar, J. ER -