▁were ▁ 7 0 . 7 5 ▁in ▁diameter , ▁with ▁a ▁stroke ▁of ▁ 3 . 5 ▁ft . ▁ ▁On ▁her ▁Sto kes ▁Bay ▁tri als ▁on ▁ 3 ▁December ▁ 1 8 5 3 ▁the ▁engine ▁generated ▁ 2 , 1 3 6 ▁ih p . ▁ ▁In ▁May ▁ 1 8 5 4 ▁she ▁formed ▁part ▁of ▁the ▁Al lied ▁Fle et ▁serving ▁in ▁the ▁Balt ic ▁against ▁Russia ▁in ▁the ▁Crime an ▁War . ▁ ▁In ▁ 1 8 5 5 , ▁she ▁joined ▁the ▁fleet ▁in ▁the ▁Black ▁Sea . ▁On ▁ 7 ▁July ▁ 1 8 5 5 ▁Captain ▁George ▁King ▁took ▁command . ▁ ▁In ▁September ▁ 1 8 5 6 , ▁St ▁Jean ▁d ' A cre ▁took ▁Earl ▁Gran ville ▁to ▁the ▁coron ation ▁of ▁Cz ar ▁Alexander ▁II ▁at ▁St ▁Petersburg . ▁Earl ▁Gran ville ▁was ▁leader ▁of ▁the ▁Liberal ▁party ▁in ▁the ▁House ▁of ▁L ords , ▁and ▁head ▁of ▁the ▁British ▁deleg ation ▁to ▁ ▁Alexander ▁II ' s ▁coron ation . ▁ ▁She ▁paid ▁off ▁in ▁ 1 8 5 7 ▁at ▁P ly mouth . ▁ ▁Her ▁second ▁commission ▁was ▁from ▁ 4 ▁February ▁ 1 8 5 9 ▁to ▁ 1 3 ▁September ▁ 1 8 6 1 . ▁ ▁St ▁Jean ▁d ' A cre ▁served ▁in ▁the ▁Channel ▁and ▁the ▁Mediter rane an . ▁ ▁She ▁was ▁initially ▁commanded ▁by ▁Captain ▁Thomas ▁Pick ering ▁Thompson , ▁until ▁he ▁was ▁in val ided ▁out , ▁and