Model of William Murdock's Oscillating Engine, 1785.
1785
1785
1783
1785
1785
1781-1790
2000-100 BCE
1784
1784
1785-1790
1782
1787
hallmarked 1788
1785-1789
1790
1772 (original); 1919 (model)
1986 (replica); 1501-1600 (original)
1784
1784
1784
1783
1790
1785
1990-96
1788
1705-1737
1791
1785
4000-2001 BCE
1888-185
1790
1783
1791
1790
1787
1783
1791
1787
1783-1788
1787
1786
1789
1791
2000-1350
1788
1781
1972-3
1784
1945-50
1990-95
1785