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

Woolworth Building, sub-cellar Park Place side, looking S.W. at shoring.

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

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

Woolworth Building, sub-basement swimming pool from S.W. corner.

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

Woolworth Building, engine room from S.W. corner looking west.

Woolworth Building, from Broadway looking S.W.

Woolworth Building, from Broadway looking S.W.

Woolworth Building, engine room looking S.W.

Woolworth Building, exterior from S.W. corner.

View from Woolworth Building roof looking at S.W. corner of building.

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

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

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

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

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

Woolworth Building, from center Broadway looking S.W.

Woolworth Building, detail S.W. corner Barclay Street.

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