ers ▁of ▁ 8 ¾ ▁inches ▁( 2 2   cm ) ▁diameter ▁by ▁ 1 1 ½ ▁inches ▁( 3 0   cm ) ▁stroke ▁driving ▁a ▁sc rew ▁prop eller . ▁The ▁engine ▁was ▁built ▁by ▁Black stone ▁& ▁Co ▁Ltd , ▁St am ford , ▁Lincoln shire . ▁ ▁History ▁Empire ▁F ath om ▁was ▁built ▁by ▁Henry ▁Sc arr ▁Ltd , ▁H ess le , ▁United ▁Kingdom . ▁La id ▁down ▁as ▁CH ANT ▁ 4 9 ▁then ▁renamed ▁Fab ric ▁ 4 9 ▁whilst ▁under ▁construction , ▁she ▁was ▁launched ▁as ▁Empire ▁F ath om ▁in ▁December ▁ 1 9 4 4 ▁and ▁completed ▁in ▁January ▁ 1 9 4 5 . ▁Bu ilt ▁for ▁the ▁M OW T , ▁she ▁was ▁placed ▁under ▁the ▁management ▁of ▁Pin ch ▁& ▁Sim pson ▁Ltd , ▁. ▁The ▁United ▁Kingdom ▁Official ▁Number ▁ 1 8 0 3 9 4 ▁and ▁Code ▁Let ters ▁MC JS ▁were ▁allocated . ▁Her ▁port ▁of ▁registry ▁was ▁H ull . ▁ ▁In ▁ 1 9 4 6 , ▁Empire ▁F ath om ▁was ▁sold ▁to ▁B ▁W ▁Ste am ship , ▁T ug ▁& ▁L ighter ▁Company , ▁C rag gs ▁& ▁Jenkins ▁Ltd , ▁H ull , ▁and ▁renamed ▁F os dy ke ▁Tr ader . ▁Later ▁that ▁year , ▁she ▁was ▁sold ▁to ▁the ▁Great ▁Y arm outh ▁Sh ipping ▁Co ▁Ltd , ▁Great ▁Y arm outh , ▁Nor folk . ▁On ▁ 1 ▁November ▁ 1 9 5 2 , ▁F