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

Woolworth Building, engine 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, 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 N.E.

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

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

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, sub-basement, coal bunkers from east end.

Woolworth Building, from Broadway looking S.W.

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

Woolworth Building, from center Broadway looking S.W.

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

Woolworth Building, from Broadway looking S.W.

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