screen. On the two sides of this threefold sanctuary ran long aisles, from the west wall to the chapel of the nine altars. In the middle of this distance, the aisles opened into transepts, north and south. The nave aisles, at first unobstructed for passage around the church, were presently cut up by cross partitions into chapels; but the choir aisles continued to be used as ambulatories. The transepts served as antechambers for the chapels which opened out from them to the east.
Each transept had originally three of these chapels, but the building of the new chancel had taken away the inner one on each side. Of the two which thus remained, the outer chapel of the north transept had been changed into a storehouse when the tower was built, so that only the chapel which was in the middle remained. Over the door, under a bracket, is still to be read an inscription which informs us that it was dedicated to the Archangel Michael.
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