INDEX. 711 



Temperature of Portland cement, 499-500 

 Tensile strength, of grappier cements, 186 

 hard-finish plasters, 78 

 hydraulic limes, 183, 188 

 Keene's cement, 78 

 Lafarge cement, 186 

 limes, 122-123 

 natural cements, 267, 283 

 plasters, 58-61 



Portland cements, 586-588, 612 

 puzzolan cements, 670, 673 

 selenitic limes, 191 

 slag cements, 670, 673 

 Testing methods, standard, 603-613 

 Tests of cementing materials, see Adhesive strength, Compressive strength, Tensile 



strength. 



Tests of efficiency of rotary kiln, 505-509 

 Tetmajer, Prof., effects of plaster, 543 



tests of natural cement, 266-267 



Portland cement, 505 

 Thermal efficiency of rotary kiln, 497-511 



units defined and compared, 12 

 Thompson, S., on weight of cement barrels, 551-553 

 Travertine, 89 



Tube mills, 404, 425, 430, 457, 516, 657-658 

 , Bonnot, 457 

 , Davidsen, 244, 457-462 

 , description of class, 430, 457 

 , discontinuous, 657-658, 660 

 , Gates, 457 

 , Jensch, 658 

 , Krupp, 457, 462-463 

 , pebbles for, 463-465 



, used in natural-cement plants, 237, 243-244, 246 

 , West, 660 

 Tufa, 89 

 Tuff, 633, 638 



United States, imports of gypsum, 85-86 



magnesia and magnesite, 152-153 



plasters, 85-86 



Portland cement, 564-565 

 lime, 112-114 

 magnesite, 152-153 

 natural cement, 289-292 

 plasters, 79-84 

 Portland cement, 561-565 

 production of gypsum, 79-84 

 slag cement, 664 



