Rotative Steam Engine by Boulton and Watt, 1788
1788
1788
1610; 1923
1791
1990-96
1772 (original); 1919 (model)
1705-1737
1795
1790
1794
2000-100 BCE
4000-2001 BCE
hallmarked 1788
1795
1786
1791
1790-1794
1790
1791-1792
circa 1795
1792
1788
1795
1790
1787
around 1790
1788
1790
1792
1792
1790
1787
1792
1791
1860-1920
1786-1795
1794
1795
1795
1790
1668; 1924
1642-1649 (original); 1883 (model)
1990-95
1936
300 BCE; 1905-1915
1790-1794
1600-1500 BCE (original); 1900-1914 (copy)
1960-1979
1789-1795
2050-1750 BCE
1580-1588; 1930