The Royal Military College of Science, Shrivenham, by Applied Thermodynamics Branch and Weapons and Vehicles Division.  Foreword dated August 1969.  Covers show wear, stains, small tears and losses, tape and some creases; approximately 185 pages.  Illustrated with black & white photos and drawings.  Interior pages clean with a few ink marks and two short highlights.  Contains 6 chapters:  Basic Approach, Methods of Operation, Mortars, Anti Armour Weapons, Factors Affecting Accuracy, and Ancillary Weapons.