Philosophical Magazine

absorption angle appears applied approximately armature assume atom axis calculated cent centre charge compared considerable considered constant corresponding critical curves density determined direction distance edge effect electric electrons elements energy equal equation expected experimental experiments expression fact field force give given greater height hydrogen illumination increase indicated intensity ionization latter less light limit lines magnetic maximum mean measured method molecules motion negative observed obtained occur origin oscillation pass period Phil plane plate positive possible potential present pressure primary probability produced radiation rays regard region relation relative represented respectively scattering seen shown side solution spectrum surface Table taken temperature theory tube unit uranium values various velocity volts wave-length zero