CONTENTS 



PAGE 



Lead Smelting 5 



I. Standard Solutions 5 



II. Slag Analysis 10 



III. Ores and Fuel 16 



IV. Other Methods of Analysis 23 



Copper Smelting 29 



Cyanide Process 36 



I. Daily Work 36 



II. Estimation of Oxygen in Working Cyanide Solutions 47 



III. Ore Testing by Cyanide Process 51 



Analysis of Bronzes and Bearing Metals 58 



Index. 



