TY - JOUR T1 - Action of Free Molecules on Radiant Heat, and Its Conversion Thereby into Sound JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 173 SP - 291 EP - 354 PY - 1882/01/01/ UR - http://dx.doi.org/10.1098/rstl.1882.0007 M3 - doi:10.1098/rstl.1882.0007 AU - Tyndall, J. ER -