High Quality Content by WIKIPEDIA articles! The Burton Memorial Tower is a clock tower located on Central Campus at the University of Michigan in Ann Arbor at 230 South Ingalls Street. Housing a grand carillon, the tower was built in 1936 as a memorial for University President Marion Leroy Burton (presidency: 1920–1925). The grand carillon, one of only 23 in the world, is the world’s fourth heaviest, containing 55 bells and weighing a total of 43 tons (a grand carillon has a bourdon bell — the name given to the heaviest bell in a carillon and the one that sounds the hour — that weighs at least six tons, and can sound a low `G`).