Excerpt from Practical Workshop Companion for Tin, Sheet Iron, and Copper Plate Workers: Containing Rules for Describing Various Kinds of Patterns Used by Tin, Sheet Iron, and Copper Plate Workers; Practical Geometry; Mensuration of Surfaces and Solids; Tables of the Weights of Metals, Lead Pipe, Etc;; Tables of Areas and Circumferences of Ci Edges for folding or lapping to be allowed, drawing the lines parallel to CI and dj, as shown by the dotted lines. Obs. The term altitude denotes perpendicular height; as from G to K in Fig. 2. 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.