Philosophical Magazine

absorption æther aluminium amalgam angle apparatus approximately atom axis B-rays bands Bessel functions cadmium calculated calorimeter cathode cells cent centimetres centre charge coefficient coil constant corpuscle corpuscular radiation corresponding curve deflexion density determined diameter disk distance effect electric field electrons electroscope energy equal equation experiments flicker force formula function galvanometer given halos heat homogeneous increase ionization ions J. J. Thomson lead leak liquid magnetic maximum mean measured mercury metals method millimetre molecules motion negative observed obtained paper particles Phil pitchblende plate polonium positive pressure Purkinje effect quantity quartz radium radium bromide ratio rays resistance Reststrahlen secondary shear stress shown sin² solution sphere stress surface temperature theory thermometer thickness tube uranium vapour variation velocity vessel volts wave-length wire y-rays zero