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

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

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

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

Woolworth Building, shoring N.W. corner.

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

Woolworth Building, exterior from N.W. corner.

Woolworth Building, rear from N.W. corner.

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

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

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

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

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

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

Woolworth Building, boiler room looking N.W.

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

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

Woolworth Building, exterior from N.W.

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

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