Excerpt from Scales: For Ascertaining the Dimensions of Pipes, Drains and SewersThese time savers consist Of the author's Hydraulic Scales, from which the dimensions of pipes, drains and sewers can be easily and accurately ascertained, and his Rapid Earthwork Calculation, from which the quantity of earthwork required in a bank or out can be quickly calculated to, if necessary, the nearest inch Of its depth, - strongly bound together into one convenient-sized manual.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.