Excerpt from A Course of Instruction in Ordnance and Gunnery: Text It has also lost much Of the stability which characterized it when spherical projectiles were still generally employed. The labors of men of science and the energy of inventors are continually extending the boundaries of knowledge and undermining positions which appear most fixed. Therefore, instead of giving to the course a descriptive Character, it appears advisable to frame it SO as to present as simply as possible such Of its principles as are the most important, and appear the best established. 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.