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

Woolworth Building, boiler room.

Woolworth Building, engine room.

Woolworth Building. Engine room.

Woolworth Building. Boiler room.

Woolworth Building, boiler room.

Woolworth Building, engine room.

Woolworth Building, engine room, filters.

Woolworth Building, engine room.

Woolworth Building, engine room.

Woolworth Building, boiler room looking north.

Woolworth Building. Grille room looking West.

Woolworth Building, engine room looking N.W.

Woolworth Building, boiler room looking north.

Woolworth Building. Grille room looking East.

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

Woolworth Building, engine room from center looking west.

Woolworth Building. Café toward grille room.

Woolworth Building, Engine Room

233 Broadway. Woolworth Building. Interior, engine room