Excerpt from Elementary Projection Drawing: Theory and Practice, for Preparatory and Higher Scientific Schools; Industrial and Normal Classes; And the Self-Instruction of Teachers, Inventors, Draftsmen, and Artisans Hence Division II. Is filled up with a tolerably liberal and comprehensive collection of details of structures, each one of which affords a useful problem, illustrative of some one feature Of constructive art and Of graphical procedure. Here it may be said, that the department of instruction, part of which is embodied in this work, has involved in it a sub department, viz., that of Descriptive Constructions, i.e. A popular descriptive study of the ways in which many common things are made and put together, or in which they operate. The classification of Chap. II., Div. II, is believed to be a happy one, as readily suggesting various forms of framings. 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.