Ventilation in Metal Mines

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Excerpt from Ventilation in Metal Mines: A Preliminary ReportThis paper' on metal-mine ventilation, by Daniel Harrington, mining engineer of the Bureau of Mines, deals with the second of a series of related investigations in metal mines regarding primarily the health of miners.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.