Model of William Murdock's Oscillating Engine, 1785.
1785
1785
1784
1787
hallmarked 1788
1785-1789
1783
1785
1785
2000-100 BCE
1784
1785-1790
1790
1990-96
1788
1705-1737
1785
1772 (original); 1919 (model)
1784
1784
1783
1790
1785
4000-2001 BCE
1784
1787
1783
1730; 1967
1972-3
2500 BCE
1880-120
1990-95
1066; 1876
1786
1790
1783
1786
1783
1945-50
1784
1790
1790
3000-1500
3000-2000 BCE
1787
2000 BCE
1784
1788
1783
1790
1789