Excerpt from Iron Roofs: Examples of Design, Description, Illustrated With Working Drawings Bridge was erected over the river Thames. In Westminster Bridge, a curve parallel to an ellipse was adopted as giving better headway than a true ellipse. An elliptical curve, however, is not the most economical construction for ironwork. The principal of the trussing of the roof over the House of Lords (figure 13) was a great advance upon the old systems that had been adopted, but would probably be much modified if constructed in ...
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Excerpt from Iron Roofs: Examples of Design, Description, Illustrated With Working Drawings Bridge was erected over the river Thames. In Westminster Bridge, a curve parallel to an ellipse was adopted as giving better headway than a true ellipse. An elliptical curve, however, is not the most economical construction for ironwork. The principal of the trussing of the roof over the House of Lords (figure 13) was a great advance upon the old systems that had been adopted, but would probably be much modified if constructed in the present day. 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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