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

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

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

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

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

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

Woolworth Building, from Broadway looking S.W.

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

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

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

Woolworth Building, exterior from S.E. corner.

Woolworth Building, exterior from S.E. corner.

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

Woolworth Building, exterior from S.E. corner.

Woolworth Building, exterior from S.E. corner.

Woolworth Building, exterior from S.E. corner.

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

Woolworth Building, from Broadway looking S.W.

Woolworth Building, exterior from N.W. corner.

Woolworth Building, basement large room, S.W. corner view from east end.