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

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

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

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

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

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

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

Woolworth Building, exterior from S.W. corner.

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

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

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

Woolworth Building, from Broadway looking S.W.

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

Woolworth Building, engine room looking S.W.

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

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

Woolworth Building, from center Broadway looking S.W.

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

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

Woolworth Building, from Broadway looking S.W.