Containing instructions on the methods of laying out, constructing, defending, and attacking intrenchments, with the general outlines also of the arrangement, the attack and defence of permanent fortifications.
"The purpose of this 1941 manual is to present in simplified form necessary information for instruction of all military personnel in elementary map and aerial photograph reading."
These 1928 regulations contain information pertaining to the analysis of drill and target practice, rules governing the conduct of all Coast Artillery Corps target pracctice . . .
"The present text-book has been compiled with the object of presenting as clearly as possible the elementary principles of the course in Ordnance and Gunnery as taught at the Military Academy, and of so arranging it that it can be readily used for...