Woolworth Building. Grand staircase.

Woolworth Building. Rear of grand staircase toward front.

Woolworth Building. Looking up grand staircase.

Woolworth Building. Detail of Broadway Trust staircase.

Woolworth Building, rendering.

39 Broadway. Harriman Building, basement staircase.

Woolworth Building, vault.

Woolworth Building, engine room.

Woolworth Building, general exterior.

233 Broadway. Woolworth Building.

Woolworth Building. Rathskellar.

Woolworth Building, switchboard.

New York Custom House. Grand staircase, interior.

Woolworth Building, boiler room.

Woolworth Building, engine room.

Woolworth Building. Engine room.

Woolworth Building, model of foundation.

Woolworth Building. Detail of switchboard.

Woolworth Building. Safe deposit vaults.

Woolworth Building. Café toward bar.