TY - JOUR T1 - Experiments to Test Whether the Secondary $ \gamma $-Rays are Polarised JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 83 IS - 559 SP - 40 EP - 49 PY - 1909/11/03/ UR - http://dx.doi.org/10.1098/rspa.1909.0071 M3 - doi:10.1098/rspa.1909.0071 AU - Kleeman, R. ER -