Building floorplan layout of Duke Hospital in 1951 showing the wards, entrances, three floor levels, and office suites. (From Duke Hospital Information for Patients brochure, 1951.)
A patient lies in an early tank respirator, often referred to as an "iron lung." Respirators were used primarily as treatment for polio. The first tank respirator, credited to Philip Drinker and Louis Shaw, was developed in 1929.