The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science

absorption apparatus appears applied approximately assumed atoms calculated charge circuit collision compared considerable considered constant containing corresponding critical curve determined direction distance effect electric electrons elements emission energy equal equation experimental experiments expression fact field force formula frequency further give given greater heat Hence hydrogen increase indicated intensity ionization ions length less light limit lines magnitude mean measured metal method molecules motion moving negative normal observed obtained oscillation particles passing path Phil plane plate positive possible potential present pressure probability produced proportional quantity radiation range ratio reduced regarded relation relative represented resonance shown shows similar simple solution surface Table taken temperature theory tones tube unit velocity vibration volts volume