Woolworth Building, boiler room behind east boilers.

Woolworth Building, boiler room looking north.

Woolworth Building. Boiler room.

Woolworth Building, boiler room.

Woolworth Building, boiler room, from south looking north.

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

Woolworth Building, boiler room looking north.

Woolworth Building, boiler room looking N.W.

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

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

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

Woolworth Building, engine room.

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

Woolworth Building, between engine and boiler room looking East.

Woolworth Building. Grille room looking East.

Woolworth Building, Engine Room

Woolworth Building, Boiler Plant [Construction zone.]

Scandinavian Trust Co., Woolworth Building, director's room.

Woolworth Building, engine room looking S.W.

Woolworth Building, engine room looking N.E.