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

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

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

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

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

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

Woolworth Building, exterior from S.W. corner.

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

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

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

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

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

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

Woolworth Building, engine room looking S.W.

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

Woolworth Building, bird's-eye view from S.E. corner.

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

Woolworth Building, sub-basement, coal bunkers from east end.