SMITHSONIAN^ MISCELLANEOUS COLLECTIONS. 



255 



THE 



CONSTANTS OF NATURE 



Part L 



SPECIFIC GRAVITIES; BOILING AND MELTING POINTS; 

 AND CHEMICAL FORMULA. 



COMPILED BY 



FRANK WIGGLESWORTH CLARKE, S.B. 



WA S H IN GT ON, D. C. 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION. 



DECEMBER, 1873. 



