From the attached caption: "Engineering economics study group at Armour Research Foundation of Illinois Institute of Technology, Chicago,... Show moreFrom the attached caption: "Engineering economics study group at Armour Research Foundation of Illinois Institute of Technology, Chicago, considers a problem in the profitability of new production facilities. Clockwise are Raymond A. Erickson, supervisor of engineering economics, Harvey E. Glaess, associate chemist, John D. Keane, assistant supervisor of chemical engineering, and Richard H. Snow, research fellow." Photographer unknown. Date of photograph is unknown. Date range listed is approximate. Show less
From the attached caption: "Engineers and designers work in the large design area in Armour Research Foundation of Illinois Institute of... Show moreFrom the attached caption: "Engineers and designers work in the large design area in Armour Research Foundation of Illinois Institute of Technology's mechanism and dynamics research department." Photographer unknown. Date of photograph is unknown. Date range listed is approximate. Show less
From the attached caption: "Seymour A. Bortz, structural engineer in the ceramics and minerals research department at Armour Research... Show moreFrom 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. Show less