Woolworth Building, engine room from near center looking east.

Woolworth Building, engine room from center looking N.E.

Woolworth Building, engine room looking west from east end.

Woolworth Building, engine room from near center looking S.E.

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

Woolworth Building, engine room, pump room from west end.

Woolworth Building, engine room looking S.W.

Woolworth Building, engine room looking N.E.

Woolworth Building. Grille room looking West.

Woolworth Building, engine room.

Woolworth Building. Engine room.

Woolworth Building, engine room.

Woolworth Building, engine room.

Woolworth Building, engine room looking N.W.

Woolworth Building, engine room.

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

Woolworth Building, From Center Run Looking West. [Construction zone.]

Woolworth Building, Engine Room

Woolworth Building, from Broadway looking west.

Woolworth Building, engine room, filters.