Woolworth Building, sub-basement central section, boiler room.

Woolworth Building, sub-basement midway between boiler and engine room looking east.

Woolworth Building, sub-basement center south.

Woolworth Building, boiler room.

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

Woolworth Building, sub-basement, coal bunkers from east end.

Woolworth Building. Boiler room.

Woolworth Building, boiler room.

Woolworth Building, West Section of Rear Basement Wall at 1 1/2 Barclay

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

Woolworth Building, boiler room behind east boilers.

Woolworth Building, basement from N.E. corner looking west.

Woolworth Building, boiler room looking north.

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

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

Woolworth Building, Middle Section of Rear Basement Wall at 1 1/2 Barclay

Woolworth Building, boiler room looking north.

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

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

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