A photograph of Chicago skyline from the Tribune Tower with the Wrigley building in the foreground, showing the heavy smog that blanketed the city in the mornings.
Boys learning carpentry during a class at an open air summer school in Chicago, as open air schools were believed to help prevent and combat the spread of tuberculosis among children.
Police officers measure the exit of the Iroquois Theater after the 1903 fire. Taken fromChicago's Awful Theater Horror, by the Survivors and Rescuers, with an introduction by Bishop Fallows. (Memorial Publishing Co.,D. B. McCurdy, 1904)
Poster for the Chicago Department of Health, showing a flying disc "Toxoid" preventing a lightning bolt from striking a child. The poster reads: "Diphtheria strikes unprotected children / Protect your child with toxoid--Toxoid prevents diptheria :…