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Excerpt from The Engineer's Sketch-Book of Mechanical Movements, Devices, Appliances, Contrivances and Details: Employed in the Design and Construction of Machinery for Every Purpose; Classified Arranged for Reference for the Use of Engineers, Mechanical Draughtsmen, Managers, Mechanics, Inventors, Patent Agents, and All Engaged in the Mechanical Arts In the work of designing machinery the draughtsman has to rely mainly on his memory for inspiration; and, for lack of an idea, has frequently to wade through numerous volumes to find a detail or move ment to effect a particular purpose. Hence, as a rule, every man's work runs in a groove his productions generally having the stamp of his particular experience and training clearly marked upon them. 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.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.