Author: United States; Army; Ordnance Dept

Publisher:

Published: 2015-08-04

Total Pages: 112

ISBN-13: 9781332123834

Excerpt from Elementary Optics and Applications to Fire Control Instruments: Prepared Under the Director of the Chief of Ordnance, May, 1921 The aim in the preparation of this pamphlet has been to provide a handbook of applied optics and optical instruments suitable for use as a textbook in the Army training schools, and for the information of the officers and men who use optical fire control apparatus. In the selection of material no attempt has been made to produce an exhaustive treatise. It has rather been the purpose to treat more fully those phases of the subject which are not dealt with in the books ordinarily available, or which are particularly characteristic of fire control instruments, and to avoid the unnecessary duplication of material which is already accessible in elementary textbooks so far as is possible without the undue sacrifice of completeness. 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.