TY - JOUR T1 - Comparison of Some Recently Determined Refractive Indices with Theory JF - Proceedings of the Royal Society of London (1854-1905) VL - 10 SP - 199 EP - 204 PY - 1859/01/01/ UR - http://dx.doi.org/10.1098/rspl.1859.0042 M3 - doi:10.1098/rspl.1859.0042 AU - Powell, B. ER -