▁in ▁the ▁management ▁of ▁the ▁enter prise . ▁In ▁ 1 8 0 0 , ▁the ▁year ▁of ▁W att ' s ▁ret irement , ▁the ▁firm ▁made ▁a ▁total ▁of ▁ 4 1 ▁engines . ▁ ▁Later ▁years ▁ ▁W att ▁retired ▁in ▁ 1 8 0 0 , ▁the ▁same ▁year ▁that ▁his ▁fundamental ▁pat ent ▁and ▁partners hip ▁with ▁B oul ton ▁exp ired . ▁The ▁famous ▁partners hip ▁was ▁transferred ▁to ▁the ▁men ' s ▁sons , ▁Matthew ▁Robinson ▁B oul ton ▁and ▁James ▁W att ▁Jr .. ▁Long time ▁firm ▁engineer ▁William ▁Mur do ch ▁was ▁soon ▁made ▁a ▁partner ▁and ▁the ▁firm ▁prosper ed . ▁ ▁W att ▁continued ▁to ▁invent ▁other ▁things ▁before ▁and ▁during ▁his ▁semi - ret irement . ▁Within ▁his ▁home ▁in ▁Hand sw orth , ▁Staff ord shire , ▁W att ▁made ▁use ▁of ▁a ▁gar ret ▁room ▁as ▁a ▁work shop , ▁and ▁it ▁was ▁here ▁that ▁he ▁worked ▁on ▁many ▁of ▁his ▁invent ions . ▁Among ▁other ▁things , ▁he ▁invent ed ▁and ▁constructed ▁several ▁machines ▁for ▁copying ▁sculpt ures ▁and ▁med all ions ▁which ▁worked ▁very ▁well , ▁but ▁which ▁he ▁never ▁pat ented . ▁One ▁of ▁the ▁first ▁sculpt ures ▁he ▁produced ▁with ▁the ▁machine ▁was ▁a ▁small ▁head ▁of ▁his ▁old ▁professor ▁friend ▁Adam ▁Smith . ▁He ▁maintained ▁his ▁interest ▁in ▁civil ▁engineering ▁and ▁was ▁a ▁consult ant ▁on ▁several ▁significant ▁projects . ▁He ▁proposed , ▁for ▁example , ▁a ▁method ▁for ▁construct ing ▁a ▁flexible ▁pipe