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, sub-cellar S.W. corner.

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

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

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

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

Woolworth Building, exterior from S.W. corner.

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

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

Woolworth Building, sub-cellar lower level from center looking S.W.

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

Woolworth Building, from Broadway looking S.W.

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

Woolworth Building, from center Broadway looking S.W.

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

Woolworth Building, sub-cellar Park Place side, looking S.W. at shoring.

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

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

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