▁rest oration ▁and ▁ 1 9 0 4 ▁re open ing ▁In ▁ 1 8 4 1 ▁the ▁rest oration ▁work ▁was ▁begun , ▁inst ig ated ▁by ▁Dean ▁M ere w ether , ▁and ▁was ▁carried ▁out ▁by ▁Lewis ▁N ock alls ▁Cot ting ham ▁and ▁his ▁son , ▁N ock alls . ▁B isse ' s ▁m ason ry , ▁which ▁by ▁this ▁time ▁had ▁been ▁found ▁to ▁be ▁useless , ▁was ▁swe pt ▁away ▁from ▁the ▁central ▁tower , ▁the ▁lan tern ▁was ▁strength ened ▁and ▁exposed ▁to ▁view , ▁and ▁much ▁work ▁was ▁done ▁in ▁the ▁nave ▁and ▁to ▁the ▁exterior ▁of ▁the ▁Lady ▁Chap el . ▁When ▁N ock alls ▁Cot ting ham ▁d rown ed ▁on ▁a ▁voyage ▁to ▁New ▁York ▁in ▁September ▁ 1 8 5 4 , ▁George ▁Gilbert ▁Scott ▁was ▁called ▁in , ▁and ▁from ▁that ▁time ▁the ▁work ▁of ▁rest oring ▁the ▁cho ir ▁was ▁performed ▁continu ously ▁until ▁ 1 8 6 3 , ▁when ▁( on ▁ 3 0 ▁June ) ▁the ▁c athedral ▁was ▁re open ed ▁with ▁solemn ▁services . ▁R enn ▁H amp den , ▁Bishop ▁of ▁Here ford , ▁pre ached ▁in ▁the ▁morning ▁and ▁Samuel ▁Wil ber force ▁pre ached ▁in ▁the ▁evening . ▁In ▁his ▁di ary , ▁Wil ber force ▁character ises ▁his ▁right ▁rever end ▁brother ' s ▁ser mon ▁as ▁" d ull , ▁but ▁thoroughly ▁orth odox "; ▁but ▁of ▁his ▁own ▁service ▁he ▁remarks ▁( not ▁without ▁comp lac ency