Photograph of the Armour Institute of Technology campus, including Main Building, Machinery Hall, Armour Mission, Armour Flats, and Ogden Field. Photographer unknown. Date of photograph is unknown.... Show morePhotograph of the Armour Institute of Technology campus, including Main Building, Machinery Hall, Armour Mission, Armour Flats, and Ogden Field. Photographer unknown. Date of photograph is unknown. Date range listed is approximate. Show less