in sp ired ▁house ▁at ▁Arn ist on , ▁near ▁G ore bridge . ▁Bu ilt ▁for ▁Robert ▁D und as , ▁a ▁lawyer ▁and ▁politician ▁linked ▁to ▁the ▁Earl ▁of ▁St air , ▁Arn ist on ▁includes ▁extensive ▁grounds ▁laid ▁out ▁by ▁Adam , ▁with ▁a ▁par terre ▁and ▁cas cade , ▁and ▁a ▁main ▁a venue ▁cent red ▁on ▁Arthur ' s ▁Se at ▁to ▁the ▁north . ▁The ▁st u cco ▁work ▁to ▁the ▁hall ▁at ▁Arn ist on ▁is ▁one ▁of ▁Adam ' s ▁fin est ▁Van b rug h ian ▁inter iors . ▁ ▁D uff ▁House , ▁Adam ' s ▁major ▁work ▁of ▁the ▁ 1 7 3 0 s , ▁demonstr ates ▁his ▁acc ret ion ▁of ▁local ▁and ▁foreign ▁influ ences , ▁present ing ▁itself ▁as ▁" a ▁medieval ▁castle ▁in ▁bar o que ▁dress ". ▁Bu ilt ▁between ▁ 1 7 3 5 ▁and ▁ 1 7 3 9 , ▁Adam ▁acted ▁as ▁contract or ▁and ▁architect ▁to ▁William , ▁Lord ▁B rac o . ▁James ▁Gib bs ▁had ▁recently ▁built ▁another ▁house ▁for ▁Lord ▁B rac o , ▁but ▁he ▁decl ined ▁the ▁commission ▁for ▁D uff , ▁recomm ending ▁Adam ▁for ▁the ▁job . ▁The ▁main ▁fac ade ▁of ▁D uff ▁House ▁is ▁remarkable ▁for ▁its ▁height , ▁and ▁with ▁the ▁tall ▁corner ▁to wers ▁the ▁impression ▁is ▁of ▁a ▁highly ▁vertical ▁house . ▁This ▁style ▁is ▁related ▁to ▁the ▁designs ▁produced ▁by ▁the ▁ex iled ▁Jacob ite ▁Earl ▁of ▁Mar ,