TY - JOUR T1 - On the Sensitive State of Electrical Discharges through Rarefied Gases. JF - Proceedings of the Royal Society of London (1854-1905) VL - 29 SP - 21 EP - 24 PY - 1879/01/01/ UR - http://dx.doi.org/10.1098/rspl.1879.0006 M3 - doi:10.1098/rspl.1879.0006 AU - Spottiswoode, W. AU - Moulton, S. ER -