TY - JOUR T1 - On the Absorption and Radiation of Heat by Gaseous and Liquid Matter.--Fourth Memoir JF - Proceedings of the Royal Society of London (1854-1905) VL - 12 SP - 679 EP - 683 PY - 1862/01/01/ UR - http://dx.doi.org/10.1098/rspl.1862.0151 M3 - doi:10.1098/rspl.1862.0151 AU - Tyndall, J. ER -