Permits for work in navigable waters / Corps of engineers ; Department of the army Symposium on searchlights : containing a series of five papers presented at a meeting of the illuminating engineering society, held in London on april 15, … Handbook of instructions for airplane designers / Air service. Engineering division Aviation engineers - USA Voorschrift, Tentative Technical Manual, 5-255 civil engineer and machinist / Ch.J. Blunt and R. MacDonald Stephenson Reference data for radio engineers Reference data for radio engineers Transportation facilities : Roads, walks and open storage areas / War Department. Office of the Chief of Engineers Transportation facilities : Military ports / War Department. Office of the Chief of Engineers Fire prevention / War Department, Corps of Engineers Airfield pavement design : General provisions and criteria / War Department. Office of the Chief of Engineers Airfield pavement design : Flexible pavements / War Department. Office of the Chief of Engineers