↑ An alternative view is that the name "brays" derives instead from a corruption of the word "bays", a medieval word describing a sequence of ponds similar to the lake structure at Kenilworth; see Thompson 1965, p. 158 ↑ An example of the combination of the curved hammerbeam and right-angled collar and truss-brace design can be seen in this depiction of the roof of Westminster Hall. ↑ Comparison of medieval financial figures with modern equivalents is challenging, especially with the larger sums of money used for projects such as castles. £1,100 could equate to from between £578,000 to £13m in 2009 terms, depending on the measure used. ↑ It is difficult to accurately compare 16th century and modern prices or incomes.