Originally published in 1899, this classic treatise on lead and silver metallurgy remains a valuable resource for mining engineers, metallurgists, and chemists. Collins provides a detailed analysis of the properties and behavior of lead and silver ores, and describes the processes and technologies used in extracting and refining these metals. With numerous illustrations and tables, the book is a must-have for anyone interested in the history and science of mining. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.