Nature, Volume 91

action appears applied Association British carried cause cent collection College colour committee connection considerable considered contains course deals described determined direction discussion edition effect electric engineering evidence examination experiments fact further given gives Government heat held illustrated important increase INSTITUTION interest known lectures less light lines London March marks matter means measured meeting ment method Museum nature observations obtained organic origin period photographs physical plants plates position possible practical present Price probably problems produced Prof published question rays received recent recorded reference regard relation represented Royal schools scientific Society South species steel suggested surface taken temperature theory tion University various volume wind