Excerpt from A Treatise on the Progressive Improvement and Present State of the Manufactures in Metal, Vol. 2: Iron and Steel Nor are the edged stones which have so frequently been brought to this country from the various uncivilised parts of the world by any means so defectively formed for their purposes as might be imagined; on the other hand, they are often brought toward the form aimed at byithe workman, with a. Degree of perfection which is really surprising, especially when we regard them as the result of an application of the rudest possible methods of manufacture. 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.