Woolworth Building, engine room, filters.
Woolworth Building, vault.
Woolworth Building, switchboard.
Woolworth Building, main entrance and stores.
Woolworth Building, rendering.
Woolworth Building, boiler room.
Woolworth Building, engine room.
Woolworth Building. Engine room.
Woolworth Building. Grand staircase.
Woolworth Building. Swimming tank.
Woolworth Building. Pump room.
Woolworth Building. Boiler room.
Woolworth Building, swimming tank.
Woolworth Building, general exterior.
233 Broadway. Woolworth Building.