▁Hel id on ▁from ▁. ▁In ▁the ▁mid - 1 9 1 0 s ▁she ▁also ▁operated ▁refresh ment ▁rooms ▁in ▁Edward ▁Street , ▁Br is b ane . ▁In ▁ 1 9 1 2 - 1 3 ▁she ▁ere cted ▁mod est ▁brick ▁prem ises ▁in ▁Margaret ▁Street ▁for ▁Smith ▁& ▁B alls ' ▁Ac me ▁Engineering ▁Works , ▁and ▁ ▁acquired ▁an ▁interest ▁in ▁the ▁Com mer cial ▁Hotel ▁in ▁Rock ham pton . ▁By ▁ 1 9 1 7 ▁Mrs ▁B alls ▁had ▁retired ▁from ▁hotel ▁work ▁and ▁moved ▁to ▁Hamilton , ▁but ▁appears ▁to ▁have ▁maintained ▁her ▁business ▁interests ▁until ▁her ▁death ▁in ▁ 1 9 3 2 . ▁ ▁In ▁July ▁ 1 9 2 9 ▁Sarah ▁B alls ▁made ▁application ▁to ▁the ▁Br is b ane ▁City ▁Council ▁to ▁ere ct ▁a ▁brick ▁residence , ▁to ▁cost ▁£ 4 , 0 0 0 , ▁at ▁the ▁corner ▁of ▁Mor ay ▁and ▁Sydney ▁Stre ets , ▁New ▁Farm . ▁Br is b ane ▁architect ▁Eric ▁Per c ival ▁Tre wer n ▁had ▁called ▁tend ers ▁through ▁May ▁and ▁June ▁ 1 9 2 9 , ▁and ▁the ▁contract ▁had ▁been ▁let ▁to ▁Douglas ▁F ▁Roberts ▁& ▁S ons ▁of ▁To or ak ▁Road , ▁Hamilton . ▁ ▁EP ▁Tre wer n ' s ▁Br is b ane ▁architect ural ▁practice , ▁established ▁in ▁ 1 9 2 0 ▁and ▁maintained ▁until ▁his ▁death ▁in ▁ 1 9 5 9 , ▁proved ▁highly ▁successful . ▁During ▁the ▁inter war