title: An improvised spray rig for the dispersal of DDT solutions by airplane.
authors.forename: R J
authors.initials: RJ
authors.lastname: HEMMINGS
mesh_terms: D000401:Aircraft; D003634:DDT; D005018:Ethyl Chloride; D007306:Insecticides
chemical_list: D007306:Insecticides; D005018:Ethyl Chloride; D003634:DDT