magnifier
Image
magbottom
 
Miss Elizabeth Kochersperger conducting test to determine the mechanical properties of the metals to be used for Ordnance material at Frankford Arsenal
Close Window

Photograph of a female employee conducting a test.

Credit: Courtesy of the Pennsylvania State Archives

Miss Elizabeth Kochersperger conducting test to determine the mechanical properties of the metals to be used for Ordnance material at Frankford Arsenal

Back to Top