Photograph of a filter pipe gallery 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:   Flow meters Pipelines Filters and filtration Machinery, supplies, equipment Building and structure interiors Genre:   Photographs Photograph of a filter pipe gallery at Basic Magnesium, Inc.