Methods of Mine-Timbering (Classic Reprint) PDF Download

Author: W. H. Storms
Publisher: Forgotten Books
ISBN: 9780484133470
Category : Technology & Engineering
Languages : en
Pages : 84

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Book Description
Excerpt from Methods of Mine-Timbering Before Deidesheimer's square set system came into use, the ingen ious placing of posts, caps, and stulls constituted the only method of timbering, the multitude of conditions met in the mines making the combinations almost endless. Where veins occur in firm, solid rock, being perpendicular, or near it, the danger of caving is greatly lessened, and the amount of timber required is reduced to a minimum, but these conditions are exceptional. 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.