Excerpt from Pipes and Tubes: Their Construction and Jointing, Together With All Necessary Rules, Formulae, and Tables Pipes, whether we consider their diversity of form and material, or the almost infinite variety of purposes to which they are applied, certainly possess an inherent interest of their own. AS they also represent the invest ment and the constant outlay of vast sums of money, they assume considerable importance even when regarded from a purely commercial standpoint. Moreover, their manu facture and employment 'frequently present difficult problems for solution by engineers, builders and artisans. Every one connected with engineering and building trade is constantly and more or less directly concerned with the manipulation of pipes. 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.