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

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

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

Woolworth Building, engine room looking S.W.

Woolworth Building, exterior from S.W. corner.

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

Woolworth Building. Engine room from S.E. corner.

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

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

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

Woolworth Building, basement large room, S.W. corner view from east end.

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

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

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

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

Woolworth Building, from Broadway looking S.W.

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

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

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

Woolworth Building, from center Broadway looking S.W.