Excerpt from A Text Book on Welding and Cutting Metals The oxy-acetylene welding and cutting torch has become so popular in the last few years, that almost every issue of the trade papers in any branch of work contains interesting accounts of new successes in the use of this powerful tool. The first application of the process, to commercial use, dates back to 1903, and its rapid growth in popularity is due to the ease and economy with which its intense heat 15 applied to any of the metal trades, to join two pieces by welding, or separate them by cutting without the stroke of a hammer. A notable example of the saving that may be effected by using this process is in the event of repairing a broken loco motive cylinder shown in Fig. 1. This cylinder had a piece broken out of the wall including a portion of the flange. Previous attempts to weld this piece in place by other methods had proven disastrous, and resulted in making the fracture larger. The oxy-acetylene process was then 'brought into use, and in less than a day's time a new piece was welded in as shown in Fig., 2. The cylinder was rebored, drilled, and the job finished without removing it from the locomotive. A great sawing in this case is credited to the fact that the loco motive was put back into service in a comparatively short time, and the repairs were made without dismantling. The durability of this work 1s illustrated in fact that this cylinder was welded July loth, 1910, and is still in successful operation. 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.

Excerpt from Welding and Cutting Metals by Aid of Gases or Electricity There are, however, many important points Open for investigation, amongst which may especially be mentioned the effects of the different gases and their mixtures, as well as of the extreme temperatures, and their physical, chemical. 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.

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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.