?????? ???? ( ?????? : James Watt ; ‏ 19?? ?????? 1736 - 19?? ??????? 1819 ) ??? ?????? ? ??????? ???????? ??? ????????? ????????? , ???? ??? ????????? ??? ???? ????? ???? ? ?????????? ???? ??? ???? ?????? ? ??????? ???? ??? ??? ????????????? ?????????? ??? ????? ????????? ??? ????????????? ??? ??? ??? ?????.

??? 1774 ??? ???? ??????????? ? ?????? ??? ?????????? ?? ????????? ???? ???? ?????.

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