 The huge clock tower is the main difference between the north and south facades . Located on the southwest corner of the courthouse , it is topped by a steeply @-@ pitched roof with round corner piers . Blind arcading is used on the upper portion of the tower between the clock faces and the roof of the main portion of the building . Three rows of slit windows are utilized within the blind arcading . A clock face can be seen on all four sides of the tower . An arch supported by Corinthian pilasters houses each face of the clock . 
