Photograph of the Main Building, designed by Patton & Fisher and constructed 1891-1893, and the other buildings on Federal Street (looking south). Photograph appears on page 33 of the 1906 Integral... Show morePhotograph of the Main Building, designed by Patton & Fisher and constructed 1891-1893, and the other buildings on Federal Street (looking south). Photograph appears on page 33 of the 1906 Integral, the Armour Institute of Technology Yearbook. Photographer unknown. Show less