. ▁That ▁same ▁year , ▁he ▁also ▁rac ed ▁at ▁the ▁Pan - American ▁Ex position ▁in ▁New ▁York ▁and ▁but ▁was ▁stopped ▁before ▁the ▁scheduled ▁end ▁because ▁of ▁President ▁William ▁McK in ley ' s ▁attempted ▁assass ination . ▁Event ually ▁after ▁ret iring , ▁he ▁continued ▁driving ▁his ▁cars ▁around ▁K ok omo ▁until ▁ 1 9 1 5 ▁and , ▁to ▁exhib it ▁the ▁quality ▁of ▁App erson ▁autom ob iles ▁while ▁visit ing ▁a ▁show room , ▁he ▁once ▁laid ▁a ▁Pers ian ▁car pet ▁on ▁the ▁floor ▁and ▁ran ▁the ▁motor ▁for ▁days ▁and ▁not ▁a ▁drop ▁of ▁oil ▁touched ▁the ▁car pet . ▁In ▁a ▁ 1 9 1 4 ▁catalog , ▁App erson ▁said ▁of ▁this ▁App erson ▁quality , ▁" My ▁brother ▁and ▁I ▁had ▁one ▁central ▁domin ating ▁thought ▁- ▁to ▁make ▁cars ▁that ▁were ▁mechan ically ▁perfect " ▁and ▁App erson ▁stro ve ▁for ▁per fection ▁despite ▁the ▁lack ▁of ▁technology ▁at ▁the ▁time . ▁Once ▁he ▁was ▁driving ▁a ▁five ▁miles ▁an ▁hour ▁in ▁Salt ▁Lake ▁City , ▁Ut ah ▁when ▁he ▁was ▁f ined ▁$ 1 0 ▁for ▁speed ing ▁and ▁said ▁it ▁" was ▁dam n ▁fine ▁advert ising ". ▁In ▁ 1 9 1 6 , ▁while ▁visit ing ▁a ▁child hood ▁friend ▁in ▁Phoenix , ▁Arizona , ▁he ▁bought ▁some ▁property ▁for ▁ret irement . ▁ ▁However , ▁when ▁his ▁brother ▁El mer ▁had ▁a ▁stroke ▁in ▁ 1 9 1 7 , ▁he ▁took ▁more ▁control ▁of