TY - JOUR T1 - On Repulsion Resulting from Radiation. Parts III. & IV JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 166 SP - 325 EP - 376 PY - 1876/01/01/ UR - http://dx.doi.org/10.1098/rstl.1876.0013 M3 - doi:10.1098/rstl.1876.0013 AU - Crookes, W. ER -