Francis Bond, Wood Carvings in English Churches II… (1910)
“ Till ignorant and incompetent "restorers" were let loose on them, the eastern limb of the cathedrals of the Secular Canons of Wells and Hereford, that of the Benedictine cathedral of Ely and others formed one vast sanctuary, the stalls being placed under the central tower and in the eastern part of the nave; at Wells the choir had a length of 47 feet, but the sanctuary of 67 feet. The reason why a sanctuary so long was required was no doubt that it was desired to place in it two altars; one, the "choir" or "matins" altar, for ordinary services ”
