▁second ▁half ▁of ▁the ▁century ▁several ▁size able ▁ships ▁were ▁built ▁there . ▁The ▁yard ▁was ▁also ▁used ▁for ▁heavy ▁repair ▁work . ▁ ▁Early ▁history ▁ ▁The ▁two ▁dry ▁do cks ▁were ▁re built ▁in ▁the ▁early ▁ 1 7 th ▁century ▁( the ▁first ▁of ▁several ▁re build ings ) ▁and ▁the ▁western ▁dock ▁was ▁expanded , ▁en abling ▁it ▁to ▁accommod ate ▁two ▁ships , ▁end ▁to ▁end . ▁In ▁the ▁years ▁that ▁followed , ▁the ▁dock yard ▁was ▁expanded ; ▁its ▁facilities ▁included ▁s lip ways ▁for ▁ship building , ▁tim ber ▁yards , ▁saw ▁p its , ▁c ran es , ▁for ges , ▁a ▁m ast ▁house ▁and ▁several ▁store h ouses . ▁There ▁were ▁also ▁houses ▁on ▁site ▁for ▁the ▁senior ▁officers ▁of ▁the ▁yard . ▁A ▁clock ▁house ▁was ▁built ▁in ▁ 1 6 7 0 ▁( cont aining ▁a ▁m ould ▁lo ft ▁for ▁drawing ▁up ▁full - scale ▁ship ▁designs ) ▁and ▁in ▁ 1 6 9 8 ▁a ▁pal atial ▁Great ▁Store house ▁was ▁ere cted . ▁A part ▁from ▁the ▁brick - built ▁m ast ▁house ▁and ▁Great ▁Store house , ▁the ▁buildings ▁were ▁almost ▁entirely ▁of ▁tim ber ▁construction . ▁ ▁The ▁Gun ▁Wh arf ▁ ▁As ▁at ▁other ▁Royal ▁D ock y ards , ▁the ▁Or dn ance ▁Office ▁maintained ▁a ▁Gun ▁Wh arf ▁at ▁W ool wich ▁for ▁storage ▁and ▁provision ▁of ▁guns ▁and ▁am mun ition ▁for ▁the ▁ships ▁based ▁there . ▁The ▁Gun ▁Wh arf ▁was