	Twelve carved wooden figures of angels are located among the beams holding items that reference the arts and sciences ­– Grammar has a papyrus roll, Dialectic has Aristotle’s diagram of the three syllogistic figures, Poetry has a harp, Ethics has a St Mary’s lily, Metaphysics has a symbol of the Deity, Arithmetic has an abacus, Geometry has the 47th proposition of the first book of Euclid, Astronomy has a star, Music has a lyre, and Physics has an ancient air pump. An angel of knowledge originally sat atop the eastern gable, however was removed in 1874.