Woolworth Building, cellar, air cushion #15-18.
Woolworth Building, air cushion #14, 15 and 16.
Woolworth Building, air cushions #7-10.
Woolworth Building, air cushions #3, 4 and 5.
Woolworth Building, air cushions from center south.
Woolworth Building, air cushions, from north end looking south.
Woolworth Building. Air Compressor [Construction zone.]
15-17 East 16th Street. Mercantile Building.
Woolworth Building, Caisson, Air Pressure Station [Construction zone.]
Woolworth Building, switchboard.
Woolworth Building, main entrance and stores.
Woolworth Building, rendering.
Woolworth Building, boiler room.
Woolworth Building, engine room.
Woolworth Building. Swimming tank.
Woolworth Building. Pump room.
Woolworth Building. Boiler room.
Woolworth Building
Woolworth Building, vault.