Rudimentary Treatise on the Construction of Cranes and Machinery (Classic Reprint)

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Excerpt from Rudimentary Treatise on the Construction of Cranes and MachineryDeprived of mechanical power, a man's force is limited to his muscular strength, of which he has but little, in proportion to his bulk and weight, when compared with other animals, his disposable mechanical force, when daily exerted for ten hours, being only about one-tenth of his weight.The old race of millwrights - men who designed and constructed their own work - may be considered extinct, and the operative engineers or fitters of modern times, although excellent workmen at the vice or the lathe, have, Since the introduction of self-acting tools, and by the classification of labour, become almost machines them. Selves.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.