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Excerpt from The Construction of Graphical Charts The increased use of charts which has been so noticeable within the few years which have elapsed since this book was published, is good evidence of the growing recognition of the value of Nomography to the engineer. Improved methods for constructing charts are more than ever desirable, and I therefore welcome the Opportunity, which comes with the publi cation of a new edition of the book, to add a chapter describing a method which has been very successful in my hands, and which, I trust, will be equally so in those of my readers. 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.