Woolworth Building. Safe deposit vault.

Woolworth Building. Safe deposit vaults.

Woolworth Building, bank vaults from east end.

Woolworth Building, vault from N.E. corner.

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

Woolworth Building, switchboard.

Woolworth Building, switchboard.

Woolworth Building, rendering.

Woolworth Building, boiler room.

Woolworth Building. Engine room.

Woolworth Building. Grand staircase.

Woolworth Building. Grand staircase.

Woolworth Building, engine room.

Woolworth Building, swimming tank.

Woolworth Building, general exterior.

Woolworth Building, engine room.

Woolworth Building. Swimming tank.

Woolworth Building. Pump room.

Woolworth Building. Boiler room.

Woolworth Building, boiler room.