▁tower , ▁houses ▁for ▁the ▁yard ' s ▁senior ▁officers ▁and ▁various ▁other ▁buildings , ▁all ▁en closed ▁within ▁a ▁per imeter ▁wall ▁to pped ▁by ▁watch t ow ers . ▁Part s ▁of ▁the ▁yard ▁had ▁to ▁be ▁re built ▁after ▁a ▁fire ▁in ▁ 1 7 5 9 , ▁and ▁again ▁after ▁another ▁fire ▁in ▁ 1 8 1 3 . ▁The ▁ro pe yard ▁remained ▁in ▁service ▁until ▁ 1 8 3 2 , ▁by ▁which ▁time ▁similar ▁establish ments ▁in ▁other ▁Royal ▁D ock y ards ▁had ▁begun ▁to ▁come ▁to ▁the ▁fore ; ▁the ▁site ▁having ▁been ▁sold ▁in ▁ 1 8 3 3 , ▁its ▁buildings ▁were ▁demol ished ▁soon ▁afterwards , ▁in ▁ 1 8 3 5 . ▁ ▁Second ▁golden ▁age ▁ ▁The ▁fort unes ▁of ▁the ▁yard ▁had ▁w an ed ▁toward ▁the ▁end ▁of ▁the ▁sevent e enth ▁century ; ▁in ▁ 1 6 8 8 ▁its ▁work ▁was ▁val ued ▁at ▁£ 9 , 6 6 9 , ▁in ▁contrast ▁to ▁nearby ▁De pt ford ▁( £ 1 5 , 7 6 0 ), ▁not ▁to ▁mention ▁the ▁( by ▁now ▁much ▁larger ) ▁Royal ▁D ock y ards ▁at ▁Port sm outh ▁( £ 3 5 , 0 4 5 ), ▁and ▁Ch ath am ▁( £ 4 4 , 9 4 0 ). ▁In ▁the ▁first ▁half ▁of ▁the ▁eigh teenth ▁century , ▁however , ▁it ▁gained ▁a ▁renew ed ▁momentum : ▁the ▁site ▁double d ▁in ▁size , ▁as