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, boiler room from S.W. corner.

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

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

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

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

Woolworth Building, exterior from S.W. corner.

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

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

Woolworth Building, engine room looking S.W.

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

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

Woolworth Building, from Broadway looking S.W.

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

Woolworth Building, from Broadway looking S.W.

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

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

Woolworth Building, from center Broadway looking S.W.