![](https://coimages.sciencemuseumgroup.org.uk/54/216/large_thumbnail_1894_0133__0002_.jpg)
Model of William Murdock's Oscillating Engine, 1785.
1785
1785
1778
1783
1785
1785
1784
2000-100 BCE
1784
1777-1785
1778
1782
circa 1780
1990-96
1705-1737
1785
1780
1772 (original); 1919 (model)
4000-2001 BCE
1784
1784
1783
1778-1780
1785
1784
1783
1780
1781
30
1777
1783
1785
1782
1780
1781
1780
1780
1780
1780
1780
1780
1780
1780
1780
1780
1780
1780
1780
1780
1877 (copy); 1700-1731 (original)
1781