Photograph of sign painters with safety signs at Basic Magnesium, Inc.   Creator:   Basic Magnesium, Inc. ( Contributing Institution ) Publication Date:   1943-10-21 Type:   Photograph Source Institution:   Henderson District Public Libraries Holding Location:   Henderson District Public Libraries Subject Keyword:   Industrial safety Signs and signboards Safety signs Men Safety and security Genre:   Photographs Photograph of sign painters with safety signs at Basic Magnesium, Inc.	Photograph of the General Service department building moving   Creator:   Basic Magnesium, Inc. ( Contributing Institution ) Publication Date:   1944-03-10 Type:   Photograph Source Institution:   Henderson District Public Libraries Holding Location:   Henderson District Public Libraries Subject Keyword:   Trucks Signs and signboards Industrial safety Safety signs Building and structure exteriors Genre:   Photographs Photograph of the General Service department building moving