TY - JOUR T1 - On a New Constituent of Atmospheric Air JF - Proceedings of the Royal Society of London (1854-1905) VL - 63 SP - 405 EP - 408 PY - 1898/01/01/ UR - http://dx.doi.org/10.1098/rspl.1898.0051 M3 - doi:10.1098/rspl.1898.0051 AU - Ramsay, W. AU - Travers, M. ER -