Typical Tower Floor
The tower originally housed speculative office space, as shown in this superseded plan for a typical tower floor. This plan corresponds to the plan for the thirtieth through fortieth floors, shown in this finalized plan that appeared in Architecture and Building. As the final plan shows, the tower gradually recessed, and the top floors were contained in the roof. They held no offices, just a circular elevator and spiral staircase leading to the building's observation deck.
This superseded plan for the fiftieth floor shows the tower's relationship to the lower portion of the Woolworth Building, which has a U-shaped plan.