9 8 ▁guns ] ▁( three - deck ers ) ▁ ▁Sand wich ▁class ▁( S lade ) ▁ ▁Sand wich ▁ 9 0 ▁( 1 7 5 9 ) ▁– ▁floating ▁battery ▁ 1 7 8 0 , ▁har bour ▁service ▁ 1 7 9 0 , ▁broken ▁up ▁ 1 8 1 0 ▁ ▁B len heim ▁ 9 0 ▁( 1 7 6 1 ) ▁– ▁reduced ▁to ▁ 7 4 ▁in ▁ 1 8 0 0 ; ▁found ered , ▁pres umably ▁off ▁Mad agas car , ▁with ▁all ▁hands ▁ 1 8 0 7 ▁ ▁Ocean ▁ 9 0 ▁( 1 7 6 1 ) ▁– ▁Mod ified ▁version ▁of ▁the ▁Sand wich ▁class , ▁sold ▁ 1 7 9 3 ▁ ▁London ▁class ▁( S lade ) ▁ ▁London ▁ 9 0 ▁( 1 7 6 6 ) ▁– ▁broken ▁up ▁ 1 8 1 1 ▁ ▁Bar f leur ▁class ▁( S lade , ▁based ▁on ▁Royal ▁William ) ▁ ▁Bar f leur ▁ 9 0 ▁( 1 7 6 8 ) ▁– ▁broken ▁up ▁ 1 8 1 9 ▁ ▁Prince ▁George ▁ 9 0 ▁( 1 7 7 2 ) ▁– ▁broken ▁up ▁ 1 8 3 9 ▁ ▁Princess ▁Royal ▁ 9 0 ▁( 1 7 7 3 ) ▁– ▁broken ▁up ▁ 1 8 0 7 ▁ ▁Form id able ▁ 9 0 / 9 8 ▁( 1 7 7 7 ) ▁– ▁broken ▁up ▁ 1 8 1 3 ▁ ▁Queen