TRANSACTIONS OF THE AMERICAN SOCIETY OF

Excerpt from Transactions of the American Society of Civil Engineers (Instituted 1852), Vol. 54: June, 1905 Shaft No. 25 (see Fig. 2) is really a double shaft, the northerly one being the aqueduct-shaft, and the southerly one the pump-shaft. 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.