Summary Tunnel Timbering and Lining
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 wor.
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Excerpt from Tunnel Timbering and Lining ThesisIf we take the finished product as the basis of comparison none of the tunnels excavated by the ancients would take a very high place as examples of engineering skill but there is one thing which stands out frommost of these works andwhich causes even the engineers to reflect; this is the wonderful perseverance shown by the ancients in pushing their tunnels to a successful completion When we consider that their means of excavation were limited to ha.
Rodney Linton Bell · 5 characters
Nd tools and wedging supplemented occasionally by the fire setting systemof excavation we begin to understand the enormous amount of work which it took to excavate some of these tunnels and it would be impossible for us to imagine how the work could have been done if we did not remember that the laborers were slaves and that the value of human life was held at naughtAbout the PublisherForgotten Books publishes hundreds of thousands of rare and classic books Find at wwwforgottenbookscomThis book.