5 1 ▁and ▁replaced ▁by ▁a ▁tax ▁on ▁inhab ited ▁houses . ▁ ▁L ying ▁on ▁the ▁c ob bles ▁outside ▁the ▁original ▁wa ulk ▁mill ▁and ▁st ables ▁is ▁a ▁large ▁o val ▁sand stone ▁object ▁with ▁metal ▁attach ments ▁on ▁its ▁central ▁axis . ▁This ▁was ▁used ▁to ▁cr ush ▁wh in ▁or ▁g or se ▁in ▁a ▁shall ow ▁tr ough , ▁the ▁stone ▁being ▁drag ged ▁up ▁and ▁down ▁by ▁a ▁horse , ▁making ▁the ▁sp iny ▁and ▁t ough ▁ ▁branches ▁of ▁the ▁plant ▁suitable ▁for ▁use ▁as ▁animal ▁feed . ▁It ▁was ▁however ▁only ▁used ▁if ▁other ▁sources ▁of ▁feed ▁were ▁lack ing . ▁ ▁The ▁mill ' s ▁history ▁is ▁laid ▁out ▁in ▁the ▁Trust ' s ▁publication ▁- ▁A ▁Miller ' s ▁T ale . ▁The ▁Life ▁and ▁Times ▁of ▁Dal gar ven ▁Mill , ▁by ▁Robert ▁Fer g us on , ▁son ▁of ▁the ▁last ▁ ▁mill er . ▁ ▁Her on , ▁on ▁a ▁tour ▁of ▁Scotland ▁in ▁ 1 7 9 9 , ▁records ▁that ▁the ▁mill er ▁at ▁Dal gar ven ▁had ▁constructed ▁a ▁wooden ▁bridge ▁in ▁the ▁Japanese ▁style ▁and ▁interesting ▁gard ens ▁with ▁patterns ▁of ▁low ▁box ▁h ed ges . ▁ ▁" Th irl age " ▁and ▁the ▁mill s ▁of ▁A yr shire ▁ ▁Th irl age ▁was ▁the ▁fe ud al ▁law ▁by ▁which ▁the ▁la ird ▁( l ord ) ▁could ▁force ▁all ▁those ▁far mers ▁living ▁on ▁his ▁lands ▁to ▁bring ▁their ▁gra in