Excerpt from Practical Centring, Treating of the Practice of Centring Arches: In Building Construction as Carried on in the United States at the Present Time, Also Giving Other Useful Information of Value to the TradeThe work embraces each subject in detail, and in language that practical men can understand. I would especially commend it to the attention of students attending trade, technical, and architectural schools, as they will find it helpful in acquiring the practical knowledge of construction so essential to success.My best thanks are due to the builders, from whom I have obtained much of my information, . Also to the publisher, who has gotten up the book in a form to be a useful addition to the chest or book-shelf of every rising worker in the trade.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.