▁to ▁his ▁mill ▁to ▁be ▁ground . ▁Additionally ▁they ▁had ▁to ▁carry ▁out ▁rep airs ▁on ▁the ▁mill , ▁maintain ▁the ▁la de ▁and ▁we ir ▁as ▁well ▁as ▁con ve ying ▁new ▁mill st ones ▁to ▁the ▁site . ▁The ▁width ▁of ▁some ▁of ▁the ▁first ▁roads ▁was ▁determined ▁by ▁the ▁requirements ▁of ▁at ▁least ▁two ▁people ▁on ▁either ▁side ▁of ▁a ▁gr ind stone ▁with ▁a ▁wooden ▁ax le ▁called ▁a ▁' mill - wand '. ▁ ▁The ▁Th irl age ▁Law ▁was ▁repe aled ▁in ▁ 1 7 7 9 ▁and ▁after ▁this ▁many ▁mill s ▁fell ▁out ▁of ▁use ▁as ▁competition ▁and ▁un sub s id ised ▁running ▁costs ▁took ▁their ▁to ll . ▁This ▁may ▁explain ▁why ▁so ▁many ▁mill s ▁went ▁out ▁of ▁use , ▁as ▁dedu ced ▁from ▁comparing ▁Arm strong ' s ▁ 1 7 7 5 ▁map ▁with ▁the ▁ 1 8 8 5 ▁OS ▁map . ▁ ▁For ▁example , ▁Lamb ro ch ▁Mill ▁on ▁the ▁River ▁Ann ick ▁served ▁Lamb r ought on ▁and ▁apart ▁from ▁the ▁we ir ▁and ▁some ▁other ▁indic ations , ▁it ▁has ▁entirely ▁van ished . ▁ ▁The ▁Museum ▁of ▁Country ▁Life ▁The ▁three - store y ▁gra in ▁store ▁has ▁been ▁converted ▁during ▁the ▁main ▁rest oration ▁period ▁of ▁ 1 9 8 5 ▁to ▁ 1 9 8 7 , ▁to ▁house ▁an ▁extensive ▁collection ▁of ▁A yr shire ▁far ming ▁and ▁domestic ▁memor abil ia , ▁reflect ing ▁the ▁self - su ffic iency