Excerpt from Mechanical Drawing for High Schools, Vol. 1: Elementary and Intermediate Courses; Geometric Constructions, Working Drawings, Simple Projections, Advanced Projections, Practical Problems, Isometric and Cabinet Projections Do not crowd the letters or the words. The space between two words should never be less than the width of the capital H of the alphabet used. Do no lettering outside of the border lines. 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.