field , ▁progress ively ▁s elling ▁off ▁sections ▁to ▁support ▁themselves . ▁Part ▁of ▁the ▁original ▁property ▁is ▁now ▁the ▁sub urb ▁of ▁Ever ard ▁Park . ▁By ▁ 1 9 0 8 ▁the ▁two ▁sister s ▁had ▁been ▁declared ▁ins ol vent ; ▁William ▁Francis ▁Ever ard ' s ▁wid ow ▁dis posed ▁of ▁what ▁remained ▁of ▁his ▁share , ▁now ▁a ▁large ▁part ▁of ▁the ▁sub urb ▁of ▁K es wick . ▁ ▁References ▁▁ ▁| - ▁ ▁| - ▁ ▁| - ▁ ▁Category : 1 8 1 9 ▁birth s ▁Category : 1 8 8 9 ▁death s ▁Category : S outh ▁Australian ▁polit icians ▁Category : Austral ian ▁business people ▁Category : Ad ela ide ▁Club ▁Category : 1 9 th - century ▁Australian ▁polit icians <0x0A> </s> ▁Direct ▁Visual ▁Fe ed back ▁is ▁a ▁method ▁of ▁training ▁used ▁in ▁both ▁practical ▁and ▁re h abil itative ▁settings ▁where ▁the ▁attention ▁of ▁the ▁tra ine e ▁is ▁tied ▁to ▁an ▁external ▁visual ▁c ue ▁in ▁reference ▁to ▁the ▁particular ▁movement , ▁motor ▁function ▁or ▁exercise ▁that ▁is ▁being ▁performed ▁by ▁the ▁tra ine e . ▁▁ ▁The ▁principle ▁to ▁Bio - Feed back ▁is ▁very ▁similar ▁to ▁D VF . ▁ ▁Bio - Feed back , ▁which ▁is ▁a ▁process ▁that ▁enables ▁an ▁individual ▁to ▁learn ▁how ▁to ▁change ▁phys i ological ▁activity ▁for ▁the ▁purposes ▁of ▁impro ving ▁health ▁and ▁performance ▁by ▁receiving ▁rapid ▁feedback ▁from ▁precise ▁instruments ▁which ▁are ▁meas uring ▁phys i ological ▁activity ▁such