544 



CEMENTS, LIMES, AND PLASTERS. 



TABLE 202. 

 EFFECT OF CALCIUM SULPHATE ON STRENGTH OF CEMENT. (GRANT.) 



TABLE 203. 

 EFFECT OF TREATMENT WITH ANHYDROUS CALCIUM SULPHATE. (LEWIS.) 



TABLE 204. 

 EFFECT OF TREATMENT WITH CRUDE GYPSUM. (LEWIS.) 



TABLE 205. 

 EFFECT OF TREATMENT WITH PLASTER OF PARIS. (LEWIS.) 



