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