In 1864 a magnificent striking clock was installed in the
centre of the tower, with faces on both the front and rear
The flat-bed mechanism of the clock, an innovation
introduced only a few years before, is similar to that used
for Big Ben, and is open to view on the second floor of the
tower. The clock and bell strike are powered by two large
The clock strikes the hour on a bell weighing 1100 lbs
(about 500 kg), which is housed in one of the turrets.