SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 54, NUMBER 3 



THE CONSTANTS OF NATURE 



PART V 

 A RECALCULATION 



OF 



THE ATOMIC WEIGHTS 



THIRD EDITION, REVISED AND ENLARGED 



FRANK WIGGLESWORTH CLARKE, LL. D., D. Sc. 

 Chief Chemist U. S. Geological Survey 



m^w 



(Publication 1923) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



I9I0 



