Excerpt from Newsletter, Vol. 24: September 1982 Generally the size can range from less than 1 by 1 m by ft) to 25 by 25 m (82 by 82 ft) or larger. The data for this study were obtained at resolutions of 19 m ft) (low resolution) and m ft) (high resolution). 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.