Photograph of a chlorinator feeder at Basic Magnesium, Inc.   Creator:   Basic Magnesium, Inc. ( Contributing Institution ) Publication Date:   1944-02-16 Type:   Photograph Source Institution:   Henderson District Public Libraries Holding Location:   Henderson District Public Libraries Subject Keyword:   Liquid feeders Scales (Weighing instruments) Chlorine Chlorination Machinery, supplies, equipment Genre:   Photographs Photograph of a chlorinator feeder at Basic Magnesium, Inc.