
Rotative Steam Engine by Boulton and Watt, 1788
1788
1788
1705-1737
1990-96
hallmarked 1788
1785
1785-1790
1784
1784
1786
1787
1790
1790
1790
1790
1781-1790
2000-100 BCE
1783
1785
1785
1782
1785-1789
1787
1772 (original); 1919 (model)
1788
1784
1785
1783-1787
1785
1787
4000-2001 BCE
1784
1783
1784
1784
1790
1790
1785
1785
1936
1610; 1923
1668; 1924
2050-1750 BCE
1990-95
1730-1760 (original); 1931-1939 (replica)
1580-1588; 1930
2000-1001 BCE
1790
1900-1933
1976; 1776
400 BCE-100 CE; 1900-1936