 Complete the following phrase:  Towards the end of the 19th century, this was the only undeveloped portion of land between St Georges Hall and the buildings in William Brown Street. In 1877 Lieutet-Colonel Richard Fell Steble offered 1000 equivalent to  as of  to the Improvement Committee of Liverpool City Council towards the erection of a fountain on the site. Steble had been Mayor of Liverpool from 1845 to 1847. The fountain was designed by Michel Joseph Napoléon Liénard and was unveiled in 1879. The casting from which the fountain was derived had originally been designed for the 