710 INDEX. 



Specific gravity, of anhydrite, 15 



"cement piaster". 57 

 grappier cements, 185 

 gypsum, 15 

 Keene's "cement", 77 

 Lafarge cement, 185 

 lime, 115 

 limestone, 310 

 magnesia, 154 

 natural cement, 263-282 

 plasters, 57 

 Portland cement, 585 

 puzzolan cement, 668-669 

 slag cement, 668-669 



Stack-dust from rotary kilns, composition and use, 510 

 Stack-gases from cement-kilns, composition of, 507 



, use of, 509 



lime-kilns, use of, 108-109 

 Statistics, see Imports, Production. 



Strength, see Adhesive strength, Compressive strength, Tensile strength. 

 Structural materials, production of, in IL S., 1 

 Stucco, analyses, 57 

 , definition, 32 

 Sturtevant crusher for slaked lime, 125 



rock-emery mill, 35, 125, 239-241 

 system of feeding powdered coal, 486-489 

 Stedman disintegrator, 36, 244 

 Sulphate of lime, see Gypsum, Plasters, Sulphur. 

 Sulphide of iron, see Pyrite. 

 Sulphides, in limestones, 91, 310, 388 



, presence in Portland cement, 388 

 slag cements, 666-667 

 Sulphur, effect in slag cements, 660 

 , in alkali waste, 348, 349 

 , in kiln-coal, 512-513 

 , in limestones, 91, 310, 388 

 , in Portland cements, 388 

 , presence in slags, 648-666 

 , removal by granulating slag, 648 

 Sulphuric acid, see Sulphur trioxide. 

 Sulphur trioxide, in gypsum, 14 



limestones, 91, 310, 388 



Tankage, used as plaster-retarder, 65 

 Teil, lime of, see Hydraulic-limes. 

 Temperature of burning lime, 96-97 



magnesite, 154 



natural cement, 223-225 



plasters, 31, 41, 44 



