Excerpt from Elements of Mechanical Drawing It is customary to speak of lines drawn parallel to the T square as horizontal, and those drawn perpendicular to this edge as vertical. 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.
Nautical Charts is a work by George Rockwell Putnam. Essentially a set of lectures, it provides the maritime student with information on how nautical charts are drawn and studied in a straightforward manner.