"‘a small building capable of holding only two or three dozen people. There were no side aisles, only a small box-like nave with a small chancel to the east ... There were no seats for the public, who would have had to stand throughout the services, though there may have been benches against the wall for the infirm... The altar was at the east end of the nave or just inside the chancel. In the case of the nave altar, the priest probably stood under the chancel arch and celebrated the mass facing the people. If the altar was just east of the chancel arch, the priest may still have celebrated westward from a position in the middle of the chancel’"