Excerpt from Mechanical Drawing for High Schools: A Text With Problem Layouts Chapter III - theory or shape description Describing objects by views - Positions of views in working drawings - The relation of views - Orthographic projection Principles of projection - Objects with parallel surfaces - Objects with inclined surfaces - Objects with curved surfaces - Freehand Sketching studies Sections Auxiliary views Revolution Revolution chart - Pictorial drawing - Isometric drawing - Non isometric lines - Angles - Circles - Sections - Making an isometric drawing - Obligue drawing - Making an oblique drawing - Galina drawing - Perspective drawing - Making a perspective sketch. 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.