Design of a Swing Bridge (Classic Reprint)

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Excerpt from Design of a Swing BridgeThe different types of movable bridges have gone through var - ious stages of development, and have now been brought to What may'be called well defined standards. There are four distinct standard types, each characterized by one of the four methods of Operation.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.