Woolworth Building, switchboard.
Woolworth Building. Detail of switchboard.
Woolworth Building, vault.
Woolworth Building, rendering.
Woolworth Building, boiler room.
Woolworth Building, engine room.
Woolworth Building. Engine room.
Woolworth Building. Grand staircase.
Woolworth Building, general exterior.
233 Broadway. Woolworth Building.
Woolworth Building, swimming tank.
Woolworth Building. Swimming tank.
Woolworth Building. Pump room.
Woolworth Building. Boiler room.