Excerpt from Senior Course in Mechanical Drawing: Comprising a Complete System of Working DrawingsPiston-rod, Valve-rod, Pins and Rings, Plate 23, Connecting-rod and Eccentric-rod, Plate 24, Crank-shaft, Plate 25.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.