Woolworth Building, engine room, pump room from west end.
Woolworth Building, engine room.
Woolworth Building, boiler room.
Woolworth Building. Engine room.
Woolworth Building. Café toward grille room.
Woolworth Building. Boiler room.
Woolworth Building, boiler room looking N.W.
Woolworth Building, engine room N.E. corner.
Woolworth Building, boiler room looking north.
Woolworth Building. Grille room looking West.
Woolworth Building, engine room from S.E. corner.
Woolworth Building, boiler room from N.E. corner.
Woolworth Building, sub-basement central section, boiler room.
Woolworth Building, engine room, filters.