Note 397 — Chapter VII · THE CASTLES OF THE NORMANS IN ENGLAND
Reading edition
William’s description is also of great interest: “Deinde dux contendit Doueram, ubi multus populus congregatus erat, pro inexpugnabile, ut sibi videtur, munitione; quia id castellum situm est in rupe mari contigua, quæ naturaliter acuta undique ad hoc ferramentis elaborate incisa, in speciem muri directissima altitudine, quantum sagittæ jactus permetiri potest, consurgit, quo in latere unda marina alluitur.” P. 140.