Excerpt from Questions and Answers on the Practice and Theory of Sanitary Plumbing, Vol. 1: Drainage and VentingIn presenting to the plumbing fraternity succes sive editions of Questions and Answers, the author has endeavored to keep pace with the advancement that is constantly being made, and to make each edition of greater value to his readers than the preceding one has been. The original purpose to present the subject in as concise, brief and practical a manner as possible, is still followed.In the ninth edition, the book was revised from beginning to end, much was rejected or rewritten, and much that pertains to the most modern features of the trade added.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.