SMITHSONIAN MISCELLANEOUS COLLECTIONS. 



441 



THE 



CONSTANTS OF NATURE. 



P^RT ^7'. 



A RECALCULATION 



-OF- 



THE ATOMIC WEIGHTS. 



BY 



FRANK WIGGLESWORTH CLARKE, S. B., 



Professor of Chemistry and Physics in the University of Cincinnati. 



WASHINGTON: 



SMITHSONIAN INSTITUTION 

 1882. ■ 



