▁kind ▁in ▁the ▁Commonwealth ", ▁evidence ▁of ▁a ▁size able ▁Catholic ▁rural ▁population ▁that ▁set ▁Queensland ▁apart ▁from ▁other ▁Australian ▁states . ▁ ▁Main ▁Building ▁( 1 9 0 4 ) ▁ ▁The ▁northern ▁half ▁of ▁the ▁Main ▁Building , ▁including ▁a ▁section ▁of ▁the ▁North ▁Wing , ▁was ▁finished ▁in ▁ 1 9 0 4 . ▁This ▁completed ▁St om bu co ▁and ▁Son ' s ▁design ▁and ▁the ▁symmetry ▁of ▁the ▁Main ▁Building ▁around ▁the ▁central ▁tower . ▁An ▁ar cade ▁across ▁the ▁front ▁of ▁the ▁building , ▁which ▁faced ▁west ▁into ▁the ▁strong ▁afternoon ▁sun , ▁was ▁added ▁to ▁the ▁initial ▁design ▁and ▁the ▁tower ▁was ▁height ened ▁and ▁to pped ▁with ▁a ▁d ome . ▁The ▁architect ▁for ▁this ▁work ▁was ▁James ▁Per cy ▁Cow lish aw ▁( 1 8 6 7 - 1 9 2 5 ), ▁son ▁of ▁one ▁of ▁Br is b ane ' s ▁earliest ▁private ▁architect s , ▁James ▁Cow lish aw . ▁The ▁ground ▁floor ▁contained ▁senior ▁class rooms ▁and ▁a ▁students ' ▁hall , ▁now ▁known ▁as ▁Ryan ▁Hall . ▁The ▁first ▁floor ▁held ▁a ▁library ▁and ▁both ▁the ▁first ▁and ▁second ▁flo ors ▁contained ▁d orm itories ▁with ▁bath rooms . ▁This ▁wing ▁was ▁opened ▁officially ▁by ▁Queensland ▁Governor ▁Sir ▁Herbert ▁Ch erm side ▁on ▁ 2 4 ▁June ▁ 1 9 0 4 . ▁ ▁In ▁the ▁early ▁ 2 0 th ▁century ▁St ▁Joseph ' s ▁College ▁continued ▁to ▁grow ▁and ▁by ▁ 1 9 1 3 ▁en rol