Woolworth Building. Swimming tank.

Woolworth Building, swimming tank from S.E. corner.

Woolworth Building, basement room over swimming tank, view from entrance.

Woolworth Building, sub-basement swimming pool from S.W. corner.

Woolworth Building, vault.

Woolworth Building, switchboard.

Woolworth Building, boiler room.

Woolworth Building, engine room.

Woolworth Building. Engine room.

Woolworth Building. Grand staircase.

Woolworth Building. Grand staircase.

Woolworth Building, general exterior.

Woolworth Building, engine room.

Woolworth Building, rendering.

Woolworth Building. Safe deposit vault.

Woolworth Building. Corridor on 24th Floor, Woolworth offices.

Woolworth Building, air cushions #7-10.

Woolworth Building, shoring N.W. corner.

Woolworth Building, exterior from N.W.

Woolworth Building. Grille room looking West.