
Rotative Steam Engine by Boulton and Watt, 1788
1788
1788
1785
1785
1787
hallmarked 1788
1785-1789
1785
1786
1787
2000-100 BCE
1785
1772 (original); 1919 (model)
1990-96
4000-2001 BCE
1787
1785
1705-1737
1788
1785
1785
1787
1774; 1923
1642-1649 (original); 1883 (model)
2000-100 BCE
30
1785
1-79 CE; before 1914
1801-1700
1785
1991-1783 BCE
5000-500 BCE
1991-1786 BCE
1787
1788
1787
1787
1901-1936; 180 BCE
1871-1900 (copy); 618-907 CE (original)
1871-1900 (copy); 618-907 CE (original)
1871-1900 (copy); 618-907 CE (original)
1913; circa 900 CE
1-79 CE; before 1914
2000-1350
2000-1350
2000-1350
2000-1350
2000-1350
1370-1350 BCE; 1931
30-200
1931; 250 BCE