Drainage and erosion control : Drainage and erosion control structures for airfields / War Department. Office of the Chief of Engineers Planting : Dust control / War Department. Office of the Chief of Engineers air raid precautions memorandum Local communications and reporting of air raid damage (including local control) / issued by the Home Office (A.R.P. Department) Notes on Malaria and its Control for Planters and Miners / G. MacDonald Instruments : Fire-control instruments - mobile artillery - USA Voorschrift, Training Regulations, No. 310 Symbols for seacoast defense fire-control maps, diagrams, and structures - USA Voorschrift, Technical Regulations, No. ATM. Rythmatic control, enginering bulletin 2185 Arenco. Survey of Arenco platform in connection with a projected Arenco 40mm computer, target indicator, parallax computer and ring sight for control of the gun Tractor, Crawler, Diesel, 70 to 90-DBHP, Standard, Caterpillar D7, 74-In. Gage, with La Plant-Choate R-76R, Angledozer and Le Tourneau R-7, Power Control Unit. (Serial Nos. … Barr & Stroud. Thermal imaging fire control systems Contraves and Microlambda. The Falcon, A complete fire control equipment for light anti-aircraft batteries, Under conditions of good visibility Hazemeyer's N.V. Hollandsche Signaalapparaten. Preliminary report of demonstrations of the anti-aircraft fire control equipment, Type signal L 4/3
