????????????? ??????????? ???? ???????????? ??????? combine, John Deere No. two, ???? 1927 ?. ???? ??????? ?????????? ? ??????????? ?? ?????? D ??????????? ??-????? ?????????? ?????? ?????? ?????? ????? ?? ?????????.[20] 12 ?????? ??-????? ???? ???????? ???? ?????????? ?????? ??????????? ?? John Deere No. one, ??????? ?????? ????? ???? ??? ????? ?