Ellison Place, 'Time Line'

1998 by Wendy Scott. On a low brick wall outside main entrance to Rohm and Haas Chemical Company. A polished and painted stainless steel sculpture in the shape of a Viking boat with Palmer's shipyard cranes above. Attached to it are five circular plaques showing a Roman mosaic, Saxon knotwork, the rose window from St. Paul's Church, Palmer's cranes and the crystal structure of salt.