??????????? ???? ???? ?????????; ???????, ????? ?? ??????, ???? ???????????????? ?? ???????? ????, ????? ???? ??????? ???? 1837 ?., ?????? John Deere ??????? ?????????? ???????? ????? ?????? ????? ? ????.[6] ????? ???????? ???? ?? Deere, ???????? ??????? ????????? ??????? ??? ??????? ???????, ?? ????? ???????? ??????? ?? ??????? ????? ???????, ???