Excerpt from Development of Liquid Oxygen Explosives During the War Liquid in which the normal oxygen content was more or less increased, in mixture with carbonaceous material was first tried as an explosive in Germany, in 1897, following the invention by Linde of his liquefying apparatus in 1895, blasting tests being conducted with favorable results in a crosscut of the Penzberg coal mine in upper Bavaria. 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.