▁( 1 7 1 9 – 4 1 ) Number ▁of ▁main ▁guns ▁follows ▁name ▁( see ▁rating ▁system ▁of ▁the ▁Royal ▁Navy ) Ex cept ▁where ▁stated ▁otherwise , ▁these ▁ships ▁are ▁listed ▁in ▁the ▁order ▁of ▁pp . ▁ 1 6 9 – 1 7 1 ▁The ▁Sh ip ▁of ▁the ▁Line ▁Volume ▁I , ▁by ▁Brian ▁La very , ▁pub ▁Con ways , ▁ 1 9 8 3 , ▁▁▁ 1 7 1 9 ▁Est ab lish ment ▁ ▁First ▁rates ▁of ▁ 1 0 0 ▁guns ▁ ▁Royal ▁S over eign ▁ 1 0 0 ▁( 1 7 2 8 ) ▁– ▁broken ▁up ▁ 1 7 6 8 ▁ ▁Second ▁rates ▁of ▁ 9 0 ▁guns ▁ ▁Prince ▁George ▁ 9 0 ▁( 1 7 2 3 ) ▁– ▁Bur nt ▁by ▁accident ▁ 1 7 6 8 ▁ ▁Union ▁ 9 0 ▁( 1 7 2 6 ) ▁– ▁broken ▁up ▁ 1 7 4 9 ▁ ▁Nam ur ▁ 9 0 ▁( 1 7 2 9 ) ▁– ▁reduced ▁to ▁ 7 4 ▁guns ▁ 1 7 4 5 , ▁w reck ed ▁ 1 7 4 9 ▁ ▁Ne pt une ▁ 9 0 ▁( 1 7 3 0 ) ▁– ▁renamed ▁Tor bay ▁and ▁reduced ▁to ▁ 7 4 ▁guns ▁ 1 7 5 0 , ▁sold ▁ 1 7 8 4 ▁ ▁Mar l borough ▁ 9 0 ▁( 1 7 3 2 ) ▁– ▁reduced ▁to ▁ 6 8 ▁guns ▁ 1