694 



INDEX. 



Analyses of slags, for slag blocks, 689 



slag bricks, 678, 679 



slag cement, 643, 662, 663 



slate, roofing, 364 



, used for Portland cement, 365 



stack-gases, 507 



stucco, 57 



tetin, 635 



tosca, 635 



trass, 636 



tube-mill pebbles, 465 



volcanic ash, 633-636 



waste gases from kiln-stack, 507 



water from slag granulation, 648 

 Analytical methods, 576-582 

 Anhydrite, 15 



Anthracite ash, analysis of, 396 

 Ash of fuel, analysis of, 396 

 Atlas cooling system for clinker, 529 

 Atlas plant, costs at, 559 

 Atomic weights of elements, table of, 11 

 Austria, natural cements of, analyses, 262 



Ball mills, 425, 452-457 

 , Bonnot, 452 

 , Gates, 452 

 , Jensch, 658 

 , Krupp, 455 

 , Smidth, 516 

 Basic slags, 641 



Belit, in Portland-cement clinker, 569 

 Berthelet separator, 245 

 Blake crushers, 24, 238, 430 



see also Crushers. 

 Blatchley, W. S., on intermittent lime-kilns, 99, 100 



origin of marl deposits, 337 



Bleininger, A. V., on fineness of natural cements, 247 



Portland cement, 585 

 Portland-cement mix, 425 

 Blocks, slag, 685-689 

 Blood as retarder for plaster, 64 

 Boilleau and Lyon, on costs of Portland cement, 558 



slag cement, 663 

 Bonnot ball mill, 452 

 Bonnot tube mill, 457 

 Borax used in hard-finish plasters, 32 

 Breakers, rock, see Crushers. 

 Brick, alumina, for kiln-linings, 490-492 

 magnesia, 100-162 



