Machine Design

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Excerpt from Machine Design: Hoists, Derricks, Cranes The remaining part will be soft and easily machined. The chilling is effected by using iron sections faced with a light coat ing of loam at the points to be chilled. Iron car-wheels are made in this way, thus giving a chilled tread to resist wear, while the hub is soft, permitting of easy boring for the axle. The thickness of the chilled portion may vary from inch to 78 inch or more, depending upon the iron mixture and the method of chilling. 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.