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, exterior from N.W. corner.

Woolworth Building, shoring N.W. corner.

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

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

Woolworth Building, rear from N.W. corner.

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

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

Woolworth Building, engine room looking N.W.

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

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

Woolworth Building, exterior from N.W.

Woolworth Building, boiler room looking N.W.