Excerpt from A Treatise on the Application of Iron to the Construction of Bridges, Girders, Roofs and Other Works: Showing the Principles Upon Which Such Structures Are Designed, and Their Practical Application, Especially Arranged for the Use of Students and Practical Mechanics, All Mathematical Formulas and Symbols Being Excluded A second edition of this Treatise having been called for, advantage has been taken of the opportunity thus Ofi'ered to correct certain typographical and clerical errors that found their way into the first edition. 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.