Woolworth Building, engine room looking N.E.

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

Woolworth Building, engine room N.E. corner.

Woolworth Building, engine room from center looking west.

Woolworth Building, sub-cellar from center looking N.E.

Woolworth Building, from C platform looking N.E.

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

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

Woolworth Building, basement from N.E. corner looking west.

Woolworth Building, view from N.E. corner.

Woolworth Building, engine room from near center looking east.

Woolworth Building, boiler room from N.E. corner.

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

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

Woolworth Building, engine room looking N.W.

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

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

Woolworth Building, sub-cellar looking N.E. along Broadway side.

Woolworth Building, engine room looking west from east end.

Woolworth Building, detail of lower stories from N.E.