Proceedings of the Royal Society. Section A, Mathematical and Physical Science, Volume 86

absorption angle apparatus appear approximately atmospheric atomic weight B-rays bands boron bright bromide calculated carbon cathode cent chemical chloride coefficient constant cubic centimetre curve cyanogen cymene density determined diameter disc distance effect electric electrodes equation experimental experiments film formula furnace gases George Johnstone Stoney given glow heat Huggins hydrogen inch intensity investigation ionisation ions iridium J. J. Thomson length light lines liquid luminosity magnetic maximum mean measured method mgrm molecules nebula nitrogen observed obtained paper Phil photographs plate platinum position pressure primary beam Proc Prof radium ratio rays reflection Royal Dublin Society Royal Society scattered radiation selenium shear shear stress shown shows silica solution specimen spectra spectroscope spectrum stars Stoney stress surface Table temperature tension thickness tube vacuum tube van't vapour velocity voltage wave-lengths wire xenon y-rays