ARMILLARY SPHERE -- A type of sundial, the armillary sphere at UND was designed by A. Turler and Company of Zurich, Switzerland and was presented to the University of North Dakota by the Robert D. Campbell Foundation in June, 1966. Roman and Arabic numerals indicate the hour of the day and an additional instrument indicates the month of the year. The sphere is 64 inches high and weighs 500 pounds. Composed of brass and cast iron, the sphere is permanently mounted on a concrete base on the south edge of the campus mall.