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Seymour Bortz using a hydraulic press, Armour Research Foundation, Illinois Institute of Technology, Chicago, ca. 1950s
Year:
1953 to 1959
Contributors
Description
From the attached caption: "Seymour A. Bortz, structural engineer in the ceramics and minerals research department at Armour Research Foundation of Illinois Institute of Technology, investigates the flexural strength of a concrete specimen by means of electric strain gages and a hydraulic press." Photographer unknown. Date of photograph is unknown. Date range listed is approximate. more
Abstract:
