 The building was originally the University Library, and received major additions in 1914, 1919, 1926, and 1956.From 1927 to 1955 it was used by the College of Law, and from 1955 on by the Department of Mathematics and the Mathematics Library.The University Chime in the bell tower – which marks the hours, half hours, and quarter hours and plays a ten-minute concert every school day from 12