Note 461 — Chapter VII · THE CASTLES OF THE NORMANS IN ENGLAND
Reading edition
“In operatione frame turris de Glouec, 20l.” Pipe Rolls, i., 27. In the single Pipe Roll of Henry I. there is an entry “In operationibus turris de Glouec,” 7l. 6s. 2d., which may be one of a series of sums spent on the new stone keep.