Excerpt from Astronomical and Physical Researches: Made at Mr. Wilson's Observatory, Daramona, Westmeath The result given by it is obviously too low, as it is less than even the melting point of platinum, the vapour Of which probably exists in the solar atmosphere, and considerably lower than the temperature which may be obtained in the focus of a large lens. 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.