Woolworth Building, shoring N.W. corner.

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

Woolworth Building, exterior from N.W. corner.

Woolworth Building, exterior from N.W.

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

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

Woolworth Building, basement from N.W. corner looking east to Park Place.

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

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

Woolworth Building, sub-cellar, laying floor in N.W. corner of pit.

Woolworth Building, [from] Barclay looking N.W.

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

Woolworth Building, exterior from S.W. corner.

Woolworth Building, view from N.E. corner.

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

Woolworth Building, from center Broadway side looking N.W.

Woolworth Building, engine room looking N.W.

Woolworth Building, boiler room looking N.W.

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

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