lied . ▁He ▁and ▁his ▁sons ▁carried ▁out ▁works ▁at ▁Fort ▁August us , ▁Fort ▁William , ▁Carl is le , ▁and ▁the ▁cast les ▁of ▁D umb art on , ▁St ir ling , ▁Edinburgh , ▁Black ness , ▁and ▁Du art . ▁He ▁was ▁engaged ▁in ▁ 1 7 4 7 ▁to ▁provide ▁the ▁m ason ▁work ▁and ▁brick work ▁for ▁Fort ▁George ▁near ▁In ver ness , ▁although ▁the ▁project ▁only ▁began ▁shortly ▁before ▁Adam ' s ▁death . ▁Every ▁summer ▁until ▁ 1 7 6 0 , ▁one ▁of ▁his ▁sons ▁spent ▁the ▁summer ▁at ▁Fort ▁George , ▁super vis ing ▁the ▁works ▁under ▁Colonel ▁Sk inner , ▁the ▁chief ▁engineer ▁for ▁North ▁Britain . ▁ ▁Vit ru vi us ▁Scot icus ▁In ▁the ▁ 1 7 2 0 s ▁Adam ▁planned ▁to ▁publish ▁a ▁book ▁of ▁architect ural ▁draw ings ▁of ▁Scottish ▁houses , ▁including ▁his ▁own ▁work ▁and ▁that ▁of ▁others . ▁His ▁Vit ru vi us ▁Scot icus ▁was ▁started ▁and ▁named ▁in ▁response ▁to ▁Col en ▁Campbell ' s ▁Vit ru vi us ▁Britann icus . ▁He ▁commission ed ▁some ▁eng rav ings ▁ ▁during ▁his ▁ 1 7 2 7 ▁trip ▁to ▁London , ▁and ▁had ▁begun ▁to ▁collect ▁subscri ptions . ▁Further ▁eng ra ving ▁were ▁completed ▁in ▁Edinburgh ▁in ▁the ▁ 1 7 3 0 s ▁by ▁Richard ▁Cooper . ▁The ▁project ▁then ▁st alled , ▁possibly ▁due ▁to ▁the ▁lack ▁of ▁subscri ptions ▁( only ▁ 1 5 0 ▁were ▁collected