▁D uck worth ' s ▁trans ports ▁as ▁well ▁as ▁a ▁gra in ▁trade ▁agreement ▁with ▁an ▁added ▁ass ur ances ▁of ▁security ▁for ▁any ▁trade ▁routes ▁to ▁India ▁in ▁return ▁for ▁recognition ▁of ▁his ▁independence ▁from ▁the ▁Ott oman ▁Empire . ▁The ▁gra in ▁agreement ▁was ▁accepted , ▁and ▁supplies ▁continued ▁to ▁be ▁delivered ▁to ▁the ▁British ▁troops ▁in ▁Alexand ria . ▁ ▁However , ▁formal ▁recognition ▁of ▁independence ▁was ▁not ▁given ▁by ▁the ▁British ▁Government , ▁which ▁had ▁no ▁intention ▁of ▁seeing ▁the ▁Ott oman ▁Empire ▁dis m ant led ▁at ▁this ▁time . ▁ ▁Depart ure ▁from ▁Alexand ria ▁Colonel ▁D rav etti , ▁now ▁advis ing ▁Muhammad ▁Ali ▁in ▁C airo , ▁was ▁able ▁to ▁persu ade ▁the ▁r uler ▁to ▁release ▁the ▁British ▁prisoners ▁as ▁a ▁good ▁will ▁gesture , ▁sp aring ▁them ▁the ▁usual ▁fate ▁of ▁becoming ▁slaves ▁to ▁their ▁capt ors . ▁In ▁September , ▁when ▁no ▁further ▁use ▁could ▁be ▁gained ▁from ▁occupation ▁of ▁Alexand ria , ▁General ▁Mack en zie - F ras er ▁was ▁permitted ▁to ▁surrender ▁the ▁city ▁and ▁withdraw ▁to ▁Sic ily ▁on ▁the ▁ 2 5 th . ▁ ▁Ex ped ition ▁Order ▁of ▁Battle ▁ ▁The ▁Royal ▁Navy ▁HMS ▁Royal ▁George ▁( 1 0 0 ▁guns ) ▁Vice - Ad mir al ▁D uck worth ▁( flag ), ▁Captain ▁Richard ▁D alling ▁D unn ▁HMS ▁Can opus ▁( 8 0 ▁guns ) ▁HMS ▁Rep ulse ▁( 7 4 ▁guns ) ▁HMS ▁Pom pe e ▁( 7 4 ▁guns )