Mechanics of Engineering and of Machinery, Vol. 3: Part I., Section II.; The Mechanics of the Machinery of Transmission (Classic Reprint) - Softcover

Weisbach, Julius

9781333255657: Mechanics of Engineering and of Machinery, Vol. 3: Part I., Section II.; The Mechanics of the Machinery of Transmission (Classic Reprint)

Softcover

ISBN 10: 1333255659 ISBN 13: 9781333255657

Verlag: Forgotten Books, 2019

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Excerpt from Mechanics of Engineering and of Machinery, Vol. 3: Part I., Section II.; The Mechanics of the Machinery of Transmission

I4o. - The Oscillating Crank Train. I4I. - Crank with Variable Velocity. I42. - Roemer's Mechanism.

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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.

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Excerpt from Mechanics of Engineering and of Machinery, Vol. 3: Part I., Section II.; The Mechanics of the Machinery of Transmission

AS a consequence, a certain tension will exist in each yarn, from which follows that the individual yarns will all press inward. The result is that the soft yarns in the twisted cord will assume a cross-section represented by Fig. 449, II. The pressing inward of the individual yarns can be explained in the same manner as the tendency of a stretched string to resume its position of equilibrium when it has been deﬂected from its straight direction. Now, even if the ends do not, as was here assumed, remain at a constant distance apart while the yarns are being twisted into a strand, but approach each other to a certain extent, thus shortening the strand, nevertheless a cer tain tension will still remain in the yarns, giving rise to their pressure against each other. On this depends the contracting action which accompanies the twisting in all spinning processes. If instead of three yarns we no, 450.

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.

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