Shield and Compressed Air Tunneling (Classic Reprint)

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Excerpt from Shield and Compressed Air TunnelingTunneling is a branch of Engineering, therefore, which the student, whether still in college or grown gray in bending the forces of nature to the use and benefit of mankind, cannot and must not neglect. N o matter what his special branch may be, the engineer may be called upon to take his part in the construe tion of a tunnel or in deciding whether he shall or shall not build a tunnel, and if so, by what method he shall build it. He may be the chief on whose shoulders rest the responsibilities of making the final decision and of directing the efforts of a staff of experts, or he may be a youngster fresh from college, serving his first term as a draftsman, inspector or rodman on the design or construction of such a tunnel.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.