Excerpt from A Practical Treatise on the Construction of Oblique Bridges, With Spiral and With Equilibrated Courses The following Treatise on the Construction of Oblique Bridges is intended for the use of those who are engaged in the erection of such structures. The introduction of mathematical investigations was unavoidable, but these may be omitted by the reader who is content to be guided by rules without knowing the reasons for them. Although grave objections may be urged against the use of spiral courses for oblique ...
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Excerpt from A Practical Treatise on the Construction of Oblique Bridges, With Spiral and With Equilibrated Courses The following Treatise on the Construction of Oblique Bridges is intended for the use of those who are engaged in the erection of such structures. The introduction of mathematical investigations was unavoidable, but these may be omitted by the reader who is content to be guided by rules without knowing the reasons for them. Although grave objections may be urged against the use of spiral courses for oblique bridges, yet the accuracy of form that can be given to the arch-stones may render it advisable, under proper limitations, to adopt this in preference to a better arrangement of the courses, that does not admit of like exactness in the execution of the work. The methods of Part I. Are substantially the same as those of Messrs. Nicholson and Buck, but there are numerous variations in the details. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... 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.
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