Download or read book The Washing of Illinois Coals (Classic Reprint) written by Ernest Jerome Rossbach and published by Forgotten Books. This book was released on 2017-10-28 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Washing of Illinois Coals Gypsum.seems to present the greatest difficulty with its specific gravity of This substance, however, is of little importance because it occurs in inconsiderable amounts although it is a very common impurity. 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.