Woolworth Building, engine room looking west from east end.

Woolworth Building. Pump room.

Woolworth Building, engine room from center looking west.

Woolworth Building, engine room.

Woolworth Building, engine room.

Woolworth Building, engine room.

Woolworth Building. Engine room.

Woolworth Building, engine room.

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

Woolworth Building, engine room, filters.

Woolworth Building, Rathskeller from west end.

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

Woolworth Building. Engine room from S.E. corner.

Woolworth Building, Engine Room

Woolworth Building, engine room from S.E. corner.

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

Woolworth Building, north area from west end.

Woolworth Building, south area from west end.

Woolworth Building, engine room from S.E. corner.

Woolworth Building, engine room from S.E. corner.