TY - JOUR T1 - The Refractive Indices of the Elements. JF - Proceedings of the Royal Society of London (1854-1905) VL - 74 SP - 283 EP - 284 PY - 1904/01/01/ UR - http://dx.doi.org/10.1098/rspl.1904.0111 M3 - doi:10.1098/rspl.1904.0111 AU - Cuthbertson, C. ER -