
Rotative Steam Engine by Boulton and Watt, 1788
1788
1788
1783
1785
1785
2000-100 BCE
1785
1782
1787
hallmarked 1788
1785-1789
1784
1784
1786
1787
1780
1784
1784
1783
1784
1772 (original); 1919 (model)
4000-2001 BCE
circa 1780
1785
1990-96
1787
1783
1785
1780
1705-1737
1788
1784
1785
1783-1787
1785
1787
1780
1990-95
1610; 1923
1642-1649 (original); 1883 (model)
1786
1960-1979
1668; 1924
1783-1784
circa 3000 BCE
1780-1789
2000 BCE
1783
1783
1786
1780-1789