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

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

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

Woolworth Building, shoring N.W. corner.

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

Woolworth Building, exterior from N.W. corner.

Woolworth Building, rear from N.W. corner.

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

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

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

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

Woolworth Building, sub-cellar, west wall to pit from south end.

Woolworth Building, sub-cellar, east wall to pit from south end.

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

Woolworth Building, sub-cellar from center looking N.E.

Woolworth Building, exterior from N.W.

Woolworth Building, boiler room looking N.W.

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

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

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