another of the original C16th gateways - for anyone unfamiliar with the Oxbridge collegiate system, each student and graduate is a member of a particular college and had 'rooms'. The rooms, one or sometimes two plus primitive service hole were arranged on staircases around a 'quad'(rangle). Each room had its own fireplace, hence the vast number of chimneys. "Scouts" carted firewood and coal and water to each room.