▁the ▁estate ▁was ▁sold . ▁Its ▁most ▁famous ▁resident ▁was ▁the ▁sav ant ▁Er as mus ▁Dar win , ▁grand father ▁of ▁Charles ▁Dar win . ▁Er as mus ▁was ▁the ▁founder ▁of ▁the ▁L un ar ▁Society , ▁which ▁included ▁Jos iah ▁Wed g wood , ▁Matthew ▁B oul ton , ▁James ▁W att , ▁Joseph ▁Pri est ley ▁and ▁Benjamin ▁Franklin ." ▁ ▁El ston ▁Chap el ▁ ▁Once ▁a ▁parish ▁church , ▁this ▁is ▁now ▁redundant , ▁and ▁is ▁under ▁the ▁care ▁of ▁the ▁Church es ▁Conserv ation ▁Trust . ▁It ▁is ▁a ▁Gra de   I ▁listed ▁building ▁which ▁contains ▁a ▁fine ▁Norman ▁south ▁door way ▁with ▁z ig z ag ▁decor ation . ▁Inside ▁the ▁chap el ▁are ▁layers ▁of ▁wall ▁paint ings . ▁There ▁is ▁spec ulation ▁that ▁it ▁was ▁formerly ▁the ▁chap el ▁of ▁a ▁medieval ▁le per ▁hospital ▁dedicated ▁to ▁Saint   Le on ard . ▁ ▁El ston ▁Mill ▁ ▁Wind m ills ▁are ▁shown ▁on ▁maps ▁located ▁on ▁the ▁north ▁side ▁of ▁El ston ▁Lane ▁() ▁and ▁the ▁south ▁side ▁of ▁Mill ▁Lane ▁( ). ▁The ▁latter ▁was ▁a ▁tower ▁wind mill , ▁built ▁c . ▁ 1 8 4 4 , ▁the ▁tower ▁being ▁bott le - sh aped , ▁with ▁an ▁increase ▁in ▁batter ▁at ▁the ▁ 3 rd ▁floor . ▁Some ▁renov ation ▁was ▁carried ▁out ▁by ▁G ash ▁in ▁ 1 9 1 9 , ▁with ▁a ▁new ▁sail ▁fitted ▁by ▁W akes ▁and ▁Lamb ▁of ▁New ark ▁for