▁We aver ▁flat ▁was ▁a ▁larger ▁version ▁of ▁the ▁Mer sey ▁flat , ▁meas uring ▁. ▁Its ▁dra ug ht ▁was ▁ ▁and ▁when ▁fully ▁loaded , ▁could ▁carry ▁ 2 5 0 ▁tons . ▁ ▁Most ▁Mer sey ▁fl ats ▁had ▁been ▁converted ▁to ▁d umb ▁b arg es ▁by ▁the ▁end ▁of ▁the ▁ 1 9 th ▁century , ▁to wed ▁by ▁horses ▁or ▁by ▁steam ▁t ugs . ▁The ▁larger ▁We aver ▁fl ats ▁were ▁fitted ▁with ▁steam ▁engines , ▁and ▁later ▁with ▁dies el ▁engines , ▁although ▁there ▁were ▁still ▁around ▁ 2 0 ▁working ▁by ▁sail ▁in ▁ 1 9 3 5 . ▁Both ▁the ▁Liverpool ▁Mar itime ▁Museum ▁and ▁the ▁Ell es m ere ▁Port ▁Museum ▁have ▁a ▁Mer sey ▁flat ▁in ▁their ▁collections , ▁neither ▁of ▁which ▁actually ▁worked ▁under ▁sail . ▁ ▁See ▁also ▁Th ames ▁sail ing ▁bar ge ▁ ▁References ▁ ▁Category : B arg es ▁Category : S ail ing ▁Category : Tr ad itional ▁boats <0x0A> </s> ▁West ▁Kings down ▁Wind mill ▁ ▁is ▁a ▁Gra de ▁II ▁listed ▁sm ock ▁mill ▁in ▁West ▁Kings down , ▁Kent , ▁England , ▁that ▁was ▁built ▁in ▁the ▁early ▁nin ete enth ▁century ▁at ▁F arning ham ▁and ▁moved ▁to ▁West ▁Kings down ▁in ▁ 1 8 8 0 . ▁It ▁is ▁the ▁surv iv or ▁of ▁a ▁pair ▁of ▁wind m ills . ▁ ▁History ▁ ▁Post ▁mill ▁ ▁William ▁Col es ▁Fin ch ▁stated ▁that ▁the ▁post ▁mill ▁was ▁originally ▁built