title: BACTERICIDAL ACTION OF WATER TREATED BY ULTRA VIOLET RAYS.
abstract: Ultra violet ray sterilization of water acts in an unusual manner. Exposure to the rays not only kills bacteria then present in the water, but more than this, there is imparted to the water a potential sterilizing power which kills bacteria subsequently added to the water.
authors.forename: W F
authors.initials: WF
authors.lastname: Walker
authors.forename: R W
authors.initials: RW
authors.lastname: Pryer