Excerpt from A Textbook on Metallurgy of Gold, Silver, Copper, Lead, and Zinc: Arithmetic, Mensuration, Elementary Algebra and Trigono-Metric Functions, Mechanics, Hydraulics and Hydraulic Machinery The method of numbering the pages, cuts, articles, etc. Is such that each paper and part is complete in itself; hence. 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.