CONTRACTION PRODUCED BY SOLUTION.* 



TABLE 147. 



Across the top of the heading are given the formulas of the salt dissolved, its molecular weight (M. W. ), and the den- 

 sity of the salt, with the authority for that density. 



* The table was compiled from a paper by Gerlach (Zeits. fur Anal. Chem. vol. 27). 

 SMITHSONIAN TABLES. 



