TY - JOUR T1 - On the Movement of Gas in 'Vacuum Discharges' JF - Proceedings of the Royal Society of London (1854-1905) VL - 33 SP - 453 EP - 455 PY - 1881/01/01/ UR - http://dx.doi.org/10.1098/rspl.1881.0133 M3 - doi:10.1098/rspl.1881.0133 AU - Spottiswoode, W. AU - Moulton, J. ER -