Rotative Steam Engine by Boulton and Watt, 1788
1788
1788
1610; 1923
1791
1776
1785
1772 (original); 1919 (model)
1705-1737
1785
1784
1776-1780
1776-1780
2000-100 BCE
1777-1785
1785
4000-2001 BCE
1776-1780
1776-1780
hallmarked 1788
circa 1780
1781-1790
1786
1791
1776-1780
1784
1776
1780
1791-1792
1790
around 1790
1792
1785-1789
1790
1788
1788
1783
1785
1784
1784
1787
1780
1792
1792
1790
1783
1784
1787
1790
1785
1778
1780