Woolworth Building, engine room, filters.
Woolworth Building, vault.
Woolworth Building, switchboard.
Woolworth Building, main entrance and stores.
Woolworth Building, boiler room.
Woolworth Building. Engine room.
Woolworth Building. Grand staircase.
Woolworth Building, engine room.
Woolworth Building. Swimming tank.
Woolworth Building. Pump room.
Woolworth Building. Boiler room.
Woolworth Building. Safe deposit vault.
Woolworth Building
Woolworth Building. Hall from entrance.
Woolworth Building, Broadway looking south.
Woolworth Building, rendering.
Woolworth Building, air cushions #7-10.