Excerpt from A New and Original Treatise on the Geometrical Development of Round and Oval Cones: With Easy Examples of Their Application; For the Use of Beginners and Practical Sheet Iron and Tin Plate Workers When the writer was a boy the problems involved in conical work were quite a puzzle to him, as they have been to many others who were in the unfortunate position of having no opportunity of gaining the necessary education. There were then no books or papers of a practical nature on these subjects within my reach. A boy under such conditions must either make friends of the men with whom his lot is cast or acquire proficiency without their help. I tried both expedients. Perhaps it will interest my boy readers to tell of my first lessons in conical work, and show their application in a few articles of every day use, because they furnish valuable hints for further search in the mysterious but interesting science of sheet metal working, or more properly, prae tical geometry. My first lessons in cones involved the making of common extinguishers and bedroom candle sticks. These two articles were of much interest to me, an ambitious boy, at the threshold of the sheet metal trade. After I had been working two or three years, dili gently investigating all the problems that came in my way, I found that the old workmen used five primary standard fashions in cones, after which they patterned their work, so that they could be easily understood when giving directions in the various kinds of conical work. 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.