Salisbury Cathedral of a bell tower which stood about northwest of the main building. Salisbury is one of only three English cathedrals to lack a ring of bells, the others being Norwich Cathedral and Ely Cathedral. However, its medieval clock does strike the time with bells every 15 minutes. In total, 70,000 tons of stone, 3,000 tons of timber and 450 tons of lead were used in the construction of the cathedral. On 25 October 2018, there was an attempted theft of the "Magna Carta" from the cathedral; the alarms were triggered and a 45-year-old man was later detained on suspicion of
Mather Tower footprint. This resulted in a multitude of tall, slender, "setback" towers, of which the Mather is an extreme and unusual example. The top floor of the octagonal spire has only of floor space. Mather Company's founder, Alonzo Mather (a descendent of Cotton Mather) is said to be responsible for a number of the building's distinctive design features, including the octagonal tower. Initial plans called for construction of a second, identical building on North Michigan Avenue, behind the Mather and connected to it by a ground-floor arcade, but onset of the Great Depression in 1929 forced its cancellation. By the 1990s