Before revision: Earliest raising of a brick building In January 1858, the first masonry building in Chicago to be thus raised—a four-story, long, 750-ton (680 metric tons) brick structure situated at the north-east corner of Randolph Street and Dearborn Street—was lifted on two hundred jackscrews to its new grade, which was higher than the old one, “without the slightest injury to the building.” It was the first of more than fifty comparably large masonry buildings to be raised that year.
After revision: Raisings of buildings=Earliest raising of a brick building In January 1858, the first masonry building in Chicago to be thus raised—a four-story, long, 750-ton (680 metric tons) brick structure situated at the north-east corner of Randolph Street and Dearborn Street—was lifted on two hundred jackscrews to its new grade, which was higher than the old one, “without the slightest injury to the building.” It was the first of more than fifty comparably large masonry buildings to be raised that year.