Clock Tower Erected in 1885 as a gift by Follett Osler F.R.S. Height from pavement 152 ft 4in, 46.43 m. Pendulum is 15 ft, 4.57m long and weighs 4½ CWT, 228.6kg. Hour bell known as Big Brum weighs 3 tons 6 CWT, 3200kg. 159 steps to clock face level Cambridge Chime