Exterior ballistics 1930 : a text book of those elements of exterior ballistics which are the fundamentals of naval gunnery, written for the use of … Internal ballistics of solid-fuel rockets : military rockets using dry-processed double-base propellant as fuel / by R.N. Wimpress ; with a pref. by B.H. Sage Theory and design of recoil systems and gun carriages / prep. in the Office of the Chief of Ordnance American college dictionary / ed. by Clarence L. Barnhart ; with the assis. of 355 authorities and specialists Essentials of infantry training : a text especially prepared for the study, training and examination of enlisted men, for use by instructors