s ▁it ▁from ▁the ▁western ▁sun . ▁The ▁roof ▁of ▁the ▁ar cade ▁forms ▁a ▁terra ce ▁to ▁the ▁upper ▁level ▁of ▁the ▁Main ▁Building ▁and ▁the ▁par ap et , ▁which ▁acts ▁as ▁a ▁bal ust rade ▁to ▁the ▁roof ▁terra ce , ▁incorpor ates ▁classical ▁bal ust ers . ▁ ▁The ▁front ▁entrance ▁and ▁the ▁st air ▁tower ▁are ▁located ▁on ▁the ▁principal ▁axis ▁of ▁the ▁building , ▁in ▁the ▁centre ▁of ▁the ▁original ▁fac ade . ▁The ▁entrance ▁is ▁emphas ised ▁by ▁the ▁projection ▁of ▁the ▁central ▁bay ▁of ▁the ▁ar cade , ▁the ▁use ▁of ▁arch ed ▁and ▁tri angular ▁ped iments ▁and ▁a ▁g able ▁roof ▁on ▁the ▁upper ▁store y . ▁The ▁tower ▁is ▁situated ▁on ▁the ▁eastern ▁or ▁rear ▁side ▁of ▁the ▁building ▁but ▁an ▁orn amental ▁bel ved ere ▁on ▁top ▁of ▁the ▁tower ▁is ▁visible ▁from ▁Sand gate ▁Road , ▁above ▁the ▁roof line . ▁The ▁bel ved ere ▁is ▁an ▁open ▁observ atory ▁roof ed ▁by ▁a ▁d ome ▁on ▁a ▁square ▁base ▁and ▁supported ▁by ▁columns . ▁It ▁now ▁houses ▁a ▁mar ble ▁statue . ▁ ▁The ▁northern ▁fac ade ▁of ▁the ▁Main ▁Building ▁faces ▁onto ▁a ▁small ▁cour ty ard ▁that ▁over look s ▁Ross ▁O val . ▁The ▁major ▁features ▁of ▁the ▁northern ▁fac ade ▁are ▁regular ▁rows ▁of ▁double ▁hung ▁tim ber ▁windows ▁with ▁arch ed ▁ped iments ▁and ▁decor ative ▁pl aster ▁fr ie zes ▁between ▁each ▁level . ▁The ▁brick - p aved ▁cour ty ard ▁is