HMSO, 1st ed., 1930. Xvii + 379 pp., numerous diagrams. Original boards ; cloth spine ; 21 x 13cm. V.G. This official War Office manual of military vehicles, published in 1930, contains various diagrams and the following chapters : Application of Mechanical Vehicles ; General Arrangement of Self-Propelled Vehicles ; The I.C. Engine ; Engine Lubrication ; Cylinder Cooling ; Carburation ; Exhaust ; Ignition ; Special Engines ; Clutches ; Gear-Box ; Back Axles ; Brakes ; Steering, Front Axle and Engine Control ; Frames and Springs ; Wheels, Rims and Tyres ; Tracks and Suspension ; Lighting & Starting Systems ; Fuels, Lubricants & Metals. UNCOMMON.