Excerpt from Amateur Work, Vol. 1 To work readily, none of the above instruments may be dispensed with, though it would be possible to get along with a single pair of dividers with pen and pencil point. The advantage of the spring bow instruments lies in their small size, and the fact that they will stay where adjusted and enable one to duplicate circles in any part of a drawing. 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.