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

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

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

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

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

Woolworth Building, engine room N.E. corner.

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

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

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

Woolworth Building, engine room looking N.E.

Woolworth Building, engine room looking S.W.

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

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 S.E. corner.

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

Woolworth Building, engine room looking N.W.

Woolworth Building, From N. W. Corner Looking S. E.

Woolworth Building, vault from N.E. corner.