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

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

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

Woolworth Building, engine room looking N.W.

Woolworth Building, from Broadway looking S.W.

Woolworth Building, from Broadway looking S.W.

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

Woolworth Building, from center Broadway looking S.W.

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

Woolworth Building, south section from Broadway looking S.W.

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

Woolworth Building, sub-cellar looking toward S.W. corner.

Woolworth Building, Broadway N.E. corner. looking S.W.

Woolworth Building, engine room looking N.E.

Woolworth Building, engine room from near center looking S.E.

Woolworth Building, engine room.

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

View from Woolworth Building roof looking at S.W. corner of building.

Woolworth Building, engine room.

Woolworth Building, sub-cellar S.W. corner.