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

Woolworth Building, basement from S.W. corner, vaults looking N.E.

Woolworth Building, boiler room from S.W. corner.

Woolworth Building, sub-basement from N.E. corner room from S.W. corner.

Woolworth Building, exterior from S.W. corner.

Woolworth Building, engine room from S.W. corner.

Woolworth Building, engine room from S.W. corner looking west.

Woolworth Building, sub-basement engine room from S.W. corner looking N.E.

Woolworth Building, sub-cellar S.W. corner.

View from Woolworth Building roof looking at S.W. corner of building.

Woolworth Building, detail S.W. corner Barclay Street.

Woolworth Building, engine room looking S.W.

Woolworth Building, basement from N.W. corner looking east to Park Place.

Woolworth Building, Broadway N.E. corner. looking S.W.

Woolworth Building, engine room from S.W. corner looking N.E.

Woolworth Building, from Broadway looking S.W.

Woolworth Building, sub-cellar looking toward S.W. corner.

Woolworth Building, from N.E. corner looking S.W.

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

Woolworth Building, boiler room from N.W. corner.