ery ▁was ▁trunc ated ▁at ▁an ▁angle ▁on ▁the ▁eastern ▁side , ▁as ▁earlier ▁photograph s ▁of ▁this ▁elev ation ▁do ▁not ▁display ▁the ▁current ▁angle . ▁The ▁pre - cut ▁house ▁work shop ▁and ▁saw mill ▁to ▁the ▁south ▁of ▁the ▁join ery ▁seem ▁to ▁post - date ▁ 1 9 4 6 . ▁According ▁to ▁arch ived ▁Queensland ▁Forest ry ▁Department ▁correspond ence , ▁in ▁November ▁ 1 9 4 6 ▁Alfred son ▁was ▁seeking ▁advice ▁on ▁the ▁design ▁of ▁a ▁tim ber ▁season ing ▁yard , ▁and ▁was ▁int ending ▁to ▁ere ct ▁a ▁dry ing ▁kil n ▁and ▁a ▁bor ic ▁acid ▁treatment ▁plant ▁" in ▁conj unction ▁with ▁his ▁furn iture ▁factory ▁and ▁saw mill ". ▁A ▁sketch ▁from ▁this ▁time ▁appears ▁to ▁show ▁the ▁join ery ▁and ▁a ▁saw mill ▁to ▁its ▁south ▁and ▁west . ▁Appar ently ▁Alfred son ' s ▁did ▁have ▁a ▁saw mill ▁on ▁the ▁western ▁side ▁of ▁the ▁join ery ▁during ▁the ▁ 1 9 4 0 s ▁and ▁ 1 9 5 0 s , ▁but ▁they ▁then ▁lost ▁the ▁forest ry ▁license ▁for ▁this ▁saw mill , ▁and ▁had ▁to ▁rely ▁on ▁the ▁W idge e ▁saw mill ▁there after . ▁However , ▁there ▁is ▁still ▁a ▁saw m illing ▁section ▁at ▁the ▁south ▁end ▁of ▁the ▁pre - cut ▁house ▁work shop . ▁ ▁By ▁the ▁early ▁ 1 9 5 0 s ▁Alfred son ▁had ▁de vised ▁a ▁system , ▁based ▁on ▁ideas ▁he ▁had ▁read ▁about ▁in