4 ▁c wt ▁( 1 . 7 ▁t onnes ). ▁The ▁oldest ▁bell ▁in ▁the ▁C athedral ▁is ▁the ▁sixth ▁which ▁dates ▁back ▁to ▁the ▁ 1 3 th ▁century . ▁The ▁b ells ▁are ▁sometimes ▁known ▁as ▁the ▁" Gr and ▁Old ▁Lady " ▁as ▁they ▁are ▁a ▁unique ▁ring ▁of ▁b ells . ▁The ▁C athedral ▁is ▁the ▁main ▁tower ▁of ▁the ▁Here ford ▁Dioc es an ▁Gu ild . ▁ ▁General ▁description ▁of ▁interior ▁ ▁There ▁is ▁decor ative ▁work ▁on ▁the ▁Norman ▁architecture ▁columns ▁and ▁arch es ▁of ▁the ▁nave ▁built ▁by ▁Reyn elm ' s ▁st on em asons . ▁Until ▁ 1 8 4 7 ▁the ▁pav ement ▁which ▁had ▁been ▁laid ▁down ▁in ▁the ▁nave ▁completely ▁hid ▁the ▁square ▁bases ▁on ▁which ▁the ▁pi ers ▁rest . ▁Double ▁semi - cy l ind rical ▁sh aft s ▁run ▁up ▁their ▁north ▁and ▁south ▁faces , ▁ending ▁in ▁small ▁double ▁capit als ▁at ▁the ▁height ▁of ▁the ▁capit als ▁of ▁the ▁pi ers ▁themselves . ▁In ▁the ▁south ▁a is le ▁of ▁the ▁nave ▁are ▁two ▁ 1 4 th ▁century ▁church ▁monument ▁tomb s , ▁with ▁eff ig ies ▁of ▁unknown ▁ecc les iast ics . ▁The ▁tomb ▁of ▁Sir ▁Richard ▁P em bridge , ▁Knight ▁of ▁the ▁G arter ▁in ▁the ▁reign ▁of ▁Edward ▁III , ▁is ▁a ▁fine ▁example ▁of ▁the ▁arm our ▁of ▁that ▁period , ▁and ▁it ▁is ▁one ▁of ▁the ▁earliest ▁instances ▁of ▁an ▁eff ig y ▁we aring ▁the ▁g