military training pamphlet Field engineering (all arms) : Booby traps war department technical manual Operation of railroads : Mechanical examination for steam locomotive engineers : questions and answers Military engineering : Lithographic proving / Army Council Field engineering (all arms) : Obstacles - Engeland Voorschrift, 26/GS Publications/413 work of the Royal Engineers in the European war, 1914-19 / Royal Engineers Institute : Bridging Railway maintenance engineering with notes on construction / W.H. Sellew Sea-coast defenses : extract from the annual report of the chief of engineers Army Air Arsenal and Navy Air Depots in Japan : corporation report no. 19 (airframes and engines) Hitachi Aircraft Company (Hitachi Kokuki KK) : corporation report no. 7 (airframes and engines) / United States Strategic Bombing Survey Report of the Chief of Engineers U.S. Army. Part 1 : Vol. 1 Report of the Chief of Engineers U.S. Army. Part 1 : Vol. 2 Military engineering : (technical training) : Equipment Bridges (excluding Bailey) / Army Council