1. Project no. 3 -- Toxic gases in armored vehicles. Final report on sub-project no. 3-13 -- Determination of the characteristics and effects upon the crew of gun fumes from firing of the weapons in the M7 tank Author(s): Nelson, Norton A., author Publication: Fort Knox, Kentucky : Armored Medical Research Laboratory, April 8, 1943 Subject(s): Air Pollutants, OccupationalMotor VehiclesWeaponsVentilationMilitary PersonnelWorld War IIUnited States