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

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

Woolworth Building, engine room from near center looking east.

Woolworth Building, sub-basement engine room from S.E. looking N.W.

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

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

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

Woolworth Building, engine room from center looking west.

Woolworth Building, from S.E. corner looking north.

Woolworth Building, engine room looking N.E.

Woolworth Building, engine room looking S.W.

Woolworth Building, exterior from S.E.

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

Woolworth Building, exterior from S.E. corner.

Woolworth Building, general exterior from S.E.

Woolworth Building, general exterior from S.E.

Woolworth Building, exterior from S.E. corner.

Woolworth Building, exterior from S.E. corner.

Woolworth Building, exterior from S.E. corner.

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