TY - JOUR T1 - On the Action of Rays of High Refrangibility upon Gaseous Matter JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 160 SP - 333 EP - 365 PY - 1870/01/01/ UR - http://dx.doi.org/10.1098/rstl.1870.0019 M3 - doi:10.1098/rstl.1870.0019 AU - Tyndall, J. ER -