CONTENTS. 



Paga 



iDtrodiiction 013 



Section I. Preliminary conditions of smelting. 



Leadvillo 614 



Mines C14 



Ores CIG 



Comiiosition of ores '. 617 



Smelting works 625 



Ore-buy iuR 627 



Sampling 628 



Crnsbiug 629 



Assaying 632 



.Section II. Materials used in smelting. 



General cousideratious 636 



Statistics of Leadville smelters 637 



Construction materials 641 



Fuels and fluxes 641 



Ore beds 648 



Smelting charges ()4S) 



E^siim^ 659 



Section III. Plant and smelting operations. 



Smelting plant in general 659 



Furnaces 659 



Blast apparatus 601 



Smelting operations in general 664 



Costs and profits of smelting 668 



Plant and operations of individual smelters 669 



Smelter A 669 



Smelter B 672 



Smelter C 674 



Smelter D 679 



Smelter E -- 680 



Smelter F 681 



Smelter G 683 



Smelter H 685 



Smelter I 688 



Smelter J 688 



Smelter K 689 



Smelter L 690 



611 



