Nature, Volume 83

action appears become British carried cause changes character College colour comet complete connection considerable contains continued course deal described determined direction discussion early earth effect electrical engines evidence experiments fact feet further give given illustrated important increased INSTITUTION interest Italy knowledge known laboratory land less light lines London March matter means measure method miles natural observations obtained original period physical plants position possible practical present president probably problem produced Prof published question recent record reference regard relation represented Royal schools scientific shown Society South species success suggested surface taken technical temperature theory tion University various volume whole