Note 34 — THE TOWER OF LONDON By Harold Sands, F.S.A.
Reading edition
In the ruins of the Palace of the Archbishops of York at Southwell, in Nottinghamshire, one of the wall turrets used as a latrine chamber, or garderobe, has just such an arrangement for the drain as that above mentioned.—English Domestic Architecture (Turner & Parker), vol. ii., p. 114.