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

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

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

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

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

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

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

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

Woolworth Building, exterior from S.W. corner.

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

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

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

Woolworth Building, engine room looking S.W.

Woolworth Building, New Section S.W. Corner [Construction zone.]

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

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

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

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

Woolworth Building, from Broadway looking S.W.

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