A Treatise Containing the Practical Part of Fortification

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Excerpt from A Treatise Containing the Practical Part of Fortification: In Four PartsBut the greateft nfe of elliptic arches appears to be in the building of bridges, and they feem ih deed to be the only ones that are proper for fuch works: for when the arches are of a great width, the circular form raifes the middle of the bridge too high above the ends, whereby the draught of heavy carriages becomes very great, neither does it appear 12) well to the eye, and requires much more mafonry than is necefiiu'y, to which may be added, that this great weight requires larger foundations for the piers, and often canfes them to fink when the foil underneath is not very hard and felid, as experience has fufiiciently fhewn.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.