TY - JOUR T1 - The Charges on Ions in Gases, and Some Effects that Influence the Motion of Negative Ions JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 85 IS - 575 SP - 25 EP - 29 PY - 1911/03/14/ UR - http://dx.doi.org/10.1098/rspa.1911.0017 M3 - doi:10.1098/rspa.1911.0017 AU - Townsend, J. ER -