Photograph of Bertha Gannon and John Sharp at Basic Magnesium, Inc.   Creator:   Basic Magnesium, Inc. Publication Date:   1944-07-11 Type:   Photograph Source Institution:   Henderson District Public Libraries Holding Location:   Henderson District Public Libraries Subject Keyword:   Gannon, Bertha Sharp, John Insurance, Health Signs and signboards Genre:   Photographs Photograph of Bertha Gannon and John Sharp at Basic Magnesium, Inc.