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

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

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

Woolworth Building, engine room N.E. corner.

Woolworth Building, Rathskeller from N.E. corner.

Woolworth Building, view from N.E. corner.

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

Woolworth Building, vault from N.E. corner.

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

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

Woolworth Building, from C platform looking N.E.

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

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

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

Woolworth Building. Detail of switchboard.

Woolworth Building, exterior from S.E.

Woolworth Building. Looking N.E. toward Municipal Building on roof.