xxiv TABLE OF CONTENTS. 



PAGE 



Regulation of set 658 



General practice at various plants 659 



Costs of manufacture of slag cement 663 



Production of slag cement 664 



List of references on the manufacture of slag cement 664 



CHAPTER XLIV. 

 SLAG CEMENT: COMPOSITION AND PROPERTIES. 



Identification of slag cements 66& 



Chemical composition of slag cements 666 



Elements present 667 



Analyses of slag cements 667 



Physical properties of slag cements 668 



Specific gravity 668 



Color 669 



Rapidity of set 670 



Strength 670 



Resistance to mechanical wear. 670 



Rates of compressive to tensile strength 670 



List of references on properties and testing of slag cements 671 



Specifications for slag (puzzolan) cements 672. 



CHAPTER XLV. 



SLAG BRICKS AND SLAG BLOCKS. 



Definition of the two groups 675 



Slag bricks 675 



Methods of manufacture 676 



Practice at various plants 677 



Hardening in steam-cylinders 680 



Slag blocks 685 



INDEX TO SUBJECTS 691 



