▁quickly ▁ru in ▁the ▁effect ▁and ▁decided ▁a ▁uniform ▁stone ▁exterior ▁was ▁the ▁better ▁solution . ▁Stat ues ▁of ▁notable ▁figures ▁in ▁the ▁city ' s ▁history ▁decor ate ▁its ▁exterior , ▁that ▁of ▁Agr icola , ▁founder ▁of ▁the ▁Roman ▁fort ▁is ▁over ▁the ▁main ▁door ▁and ▁over ▁its ▁g able ▁is ▁a ▁statue ▁of ▁St ▁George . ▁Stat ues ▁of ▁Thomas ▁G rel ley , ▁first ▁lord ▁of ▁the ▁man or , ▁Hum ph rey ▁Ch eth am ▁and ▁Thomas ▁de ▁la ▁War re ▁are ▁among ▁six ▁at ▁the ▁corner ▁of ▁Albert ▁Square ▁and ▁Princess ▁Street . ▁Water house ' s ▁design ▁proved ▁successful ▁and ▁although ▁its ▁exterior ▁was ▁black ened ▁by ▁the ▁late ▁ 1 8 9 0 s , ▁the ▁stone work ▁was ▁in ▁a ▁suitable ▁condition ▁to ▁be ▁clean ed ▁and ▁restored ▁to ▁its ▁original ▁appearance ▁in ▁the ▁late ▁ 1 9 6 0 s . ▁ ▁C lock ▁tower ▁ ▁The ▁ ▁tall ▁bell ▁tower , ▁the ▁sixth ▁tall est ▁building ▁in ▁Manchester , ▁houses ▁a ▁car illon ▁of ▁ 2 3 ▁b ells : ▁ 1 2 ▁are ▁hung ▁for ▁full ▁circle ▁change ▁ring ing ▁and ▁were ▁manufact ured ▁by ▁John ▁Taylor ▁Bell found ers . ▁The ▁clock ▁bell , ▁Great ▁Ab el , ▁named ▁after ▁Ab el ▁Hey wood , ▁we igh s ▁ 8 ▁tons ▁ 2 . 5 ▁c wt . ▁Its ▁clock , ▁made ▁by ▁G ille tt ▁and ▁B land ▁( pre de cess or ▁of ▁G ille tt ▁and ▁John