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

absorption æther apparatus approximately argon atoms axis calculated carbon dioxide cathode centimetre coefficient collisions constant corresponding curve deflexion density determined diameter dielectric constant discharge distance effect electric electrons emission emitted energy entropy equal equation experimental experiments expression force formula frequency function galvanometer gases give given grid heat helium hydrogen increase intensity ionization potential ions J. J. Thomson light lines liquid magnetic field mass maximum measured mercury metal method molecular molecules motion nitrogen nitrous oxide number of molecules observed obtained orbit paper partition function Phil Phys plane plate polarization positive possible pressure quantity quantum radiation ratio reflexion relative rotation scattering secondary emission shown solution spectra spectrum substance surface Table temperature theorem theory tube V₁ vapour velocity vibrations voltage volts wave-length wire zero