Excerpt from Gold Milling Principles and Practice: Breaking; Sorting; Wet and Dry Milling; Amalgamation; Concentration; Roasting; Chlorination; Cyanidation; Melting Bullion; Smelting Ores and Concentrates; Complete Systems, Results, and Costs; Tables; And Forms AN attempt is here made to present, between one pair of covers, a comprehensive guide to the whole series of opera tions embraced in the industry of extracting gold from the various rocks and ores with which it is associated. The book is written throughout from the practical stand point of the mill manager and his workmen. Agricola and medieval alchemists are given a well-earned rest, and atten tion is confined to modern practice and the demands of the conditions of to-day. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.