Excerpt from An Analytical Method for Detecting Blown-Out Shots in Coal Mines The solid-products of combustion obtained woq depend on the type of explosive used, the method of priming, and the manner of charging the hole, that is, with or without stemming. Six different explosives were used in the first set of tests - one a black powder, the other five selected from each class of the explosives on the permissible list. The analysis of the black blasting powder (b - 2078) is as follows. 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.