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

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

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

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

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

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

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

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

Woolworth Building, swimming tank from S.E. corner.

Woolworth Building, from Broadway looking S.W.

Woolworth Building, from Broadway looking S.W.

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

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

Woolworth Building, [sub-basement from] center [loo]king N.W.