Nature, Volume 93

appears application atomic British carried changes chemistry classes collection College complete connection considerable contains continuation course deal Department described determined direction discussion edition effect electric Engineering evidence existence experiments fact field given gives illustrated important increase industry INSTITUTION interesting known laboratory lectures less light lines London March material matter means measures ment metals method Museum nature observations obtained original period physical plants plates position possible practical present Price probably problems produced Prof published received recent recorded reference regard relation represented Royal schools scientific shown Society species stars surface taken temperature theory tion United University various volume whole