
Rotative Steam Engine by Boulton and Watt, 1788
1788
1788
1794
1795
2000-100 BCE
1791
1790
1796
1794
1792
1795
1790
1795
1795
1790
1792
1792
1790
hallmarked 1788
1790
1990-96
1794
1772 (original); 1919 (model)
1792
1791-1792
circa 1795
1705-1737
1791
4000-2001 BCE
1788
1791
1790-1794
1795
1790
1790-1794
1668; 1924
1990-95
1642-1649 (original); 1883 (model)
1610; 1923
2050-1750 BCE
1789-1795
1960-1979
700 BCE; 1931
6000-5000BCE
1794
1845-1964
1600-1500 BCE (original); 1900-1914 (copy)
1791
1979-80
1790
1793