Excerpt from Slag Viscosity Tables for Blast-Furnace Work The purpose of this report is to make available to the operator the results of the slag-viscosity measurements made in the laboratories of the bureau. This information, if used intelligently, should help the blast-furnace operator to reduce losses caused by off-grade pig iron; to improve fuel economy; to promote operating efficiency; and to extend present-day practice to meet the increasing need of smelt ing lean and complex ores. 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.