Publisher's Synopsis
Excerpt from Radio-Activity of Uranium
In another paper* the -same author - says that the pro perty of emitting rays which aft on photographic plates is a specific property of uranium and thorium. The physical condition of the metal seems to be of an altogether secondary importance. Uranium and thorium alone are practically active.
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.