Model of William Murdock's Oscillating Engine, 1785.
1785
1785
1794
1785
1785
2000-100 BCE
1784
1784
1785-1790
1798
1797
1787
hallmarked 1788
1796-1797
1796-1798
1785-1789
1790
1990-96
1784
1784
1784
circa 1795
1788
1794
1705-1737
1790
1785
1797
1791
1785
1772 (original); 1919 (model)
4000-2001 BCE
1792
1797
1791-1792
1888-185
1785-1795
1796
1793
1790
1793
1787
1787
1788-1794
1788-1794
1795
1786
1797
2000-1350
1972-3
1945-50