Excerpt from The Sand Test for Determining the Strength of Detonators Fulminate of mercury may be considered as a typical example of an initial detonating agent. It is the best known of this class of explosives, and, either alone or mixed with other substances, it forms the charge of most of the commercial detonators or electric detonators used in mining and other engineering operations in this country. 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.