Woolworth Building. Grille room looking West.

Woolworth Building. Café toward grille room.

Woolworth Building, between engine and boiler room looking East.

Woolworth Building, engine room from near center looking east.

Woolworth Building, engine room looking west from east end.

Woolworth Building, boiler room looking north.

Woolworth Building, boiler room looking north.

Woolworth Building, engine room looking N.W.

Woolworth Building. Detail of elevator grilles.

Woolworth Building, engine room looking S.W.

Woolworth Building, engine room looking N.E.

Woolworth Building, from Barclay Street looking east.

Woolworth Building, boiler room behind east boilers.

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

Woolworth Building, boiler room, from south looking north.

Woolworth Building, from Barclay Street looking east.

Woolworth Building, engine room from center looking west.

Woolworth Building. Pump room.

Woolworth Building. Boiler room.

Woolworth Building, boiler room.