Airshaft of a dumbbell tenement, New York City, taken from the roof, ca. 1900. (Courtesy of the National Archives)
Airshaft of a dumbbell tenement, New York City, taken from the roof, ca. 1900. (Courtesy of the National Archives)
Airshaft of a dumbbell tenement, New York City, taken from the roof, ca. 1900. (Courtesy of the National Archives)
Airshaft of a dumbbell tenement, New York City, taken from the roof, ca. 1900. (Courtesy of the National Archives)