Excerpt from Measurements of Extreme Ultra-Violet Solar Radiation Using a Filter Method Measurements are given of the incident ultra-violet solar radiation on the clearest days, as affected by atmospheric pollution, altitude of the station, humidity, time of the day, and season of the year. These data are discussed and correlated With some of the measurements and calculations made by others. 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.