TY - JOUR T1 - Note on the Invisible Radiation of the Electric Light JF - Proceedings of the Royal Society of London (1854-1905) VL - 14 SP - 33 EP - 35 PY - 1865/01/01/ UR - http://dx.doi.org/10.1098/rspl.1865.0008 M3 - doi:10.1098/rspl.1865.0008 AU - Tyndall, J. ER -