Woolworth Building, swimming tank.

Woolworth Building, swimming tank from S.E. corner.

Woolworth Building, basement room over swimming tank, view from entrance.

Woolworth Building, sub-basement swimming pool from S.W. corner.

Woolworth Building, switchboard.

Woolworth Building, boiler room.

Woolworth Building, engine room.

Woolworth Building. Pump room.

Woolworth Building. Boiler room.

Woolworth Building

Woolworth Building. Hall from entrance.

Woolworth Building, Broadway looking south.

Woolworth Building, engine room, filters.

Woolworth Building, from Broadway looking west.

Woolworth Building, looking south along Broadway.

Woolworth Building, shoring S.E. corner.

Woolworth Building, general view of exterior.

Woolworth Building, main entrance and stores.

Woolworth Building, vault.

Woolworth Building, rendering.