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, rear from N.W. corner.

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

Woolworth Building, exterior from N.W. corner.

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

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

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

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

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

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

Woolworth Building, exterior from N.W.

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

Woolworth Building, sub-cellar looking N.E. along Broadway side.

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