INDEX. 699 



Dome kiln, for lime, 99 



Portland cement, 470-471 

 Dredging, cost of, 379-381 



marl, 357-376, 379-381 

 Dryers, Edison, 402-403 



, for slag, 649-652 



limestone, shale, etc., 400-404 



, Hoist, 651-652 



, rotary, 400-401, 649-652 



, Ruggles-Coles, 401, 649-651 



, tower, 402-403 



, Vitry, 652 



, Cummer, see Calciners, rotary. 

 Drying Portland-cement materials, 378, 399-404 

 Dry-pans, 437-438 

 Dyckerhoff, Prof., on effect of plaster, 539, 541, 543 



Edge-runner mills, 243, 437-438 

 Edison drier, 401 

 kiln, 484 

 rolls, 435-437 



Eldred process of lime-hydrating, 125 

 Elements, chemical, table of, 11 

 Emery mill, 35, 239-241 

 England, natural cements of, 217, 261 

 Estrichgips, 68-76 

 Examination of chalk deposits, 321 



clay deposits, 360 



limestone deposits, 315-318, 321 



marl deposits, 343-346 



shale deposits, 360 

 Excavation of raw materials, see Costs, Dredging, Mining, Quarrying. 



Felit, in Portland-cement clinker, 569 

 Ferric oxide, formula, 12 



, see also Iron oxide. 

 Ferrous oxide, formula, 12 



, see also Iron oxide. 

 Fiber-machine, for wall-plaster, 51 

 Fineness, of coal for kiln fuel, 515 



marl, 340 



natural cement, 236-237, 246-247, 282 



Portland cement, 531, 584-585, 606 



Portland-cement mixture, 423-425 



plasters, 58-59 



raw materials for Portland cement, 423-425 



sand cement, 592-593 



sand used in lime-sand brick, 134-135 



