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

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

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

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

Woolworth Building, exterior from S.W. corner.

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

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

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

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

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

Woolworth Building, from Broadway looking S.W.

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

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

Woolworth Building, from center Broadway looking S.W.

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

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

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

Woolworth Building, south section from Broadway looking S.W.

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

Woolworth Building, basement room over swimming tank, view from entrance.