Model of William Murdock's Oscillating Engine, 1785.
1785
1785
1794
circa 1800
2000-100 BCE
1785-1790
1798
1797
1787
hallmarked 1788
1799
1796-1797
1796-1798
1785-1789
1785
1785
1790
1990-96
1799
1788
1772 (original); 1919 (model)
1775-1799 (original); 1900-1907 (model)
1794
1705-1737
mid-1800s
1790
1785
1797
1801
1791
1785
4000-2001 BCE
1792
1801
1797
1801
1791-1792
circa 1795
circa 1800
1888-185
1801-1800
1785-1795
1796
1793
1800
1788-1794
1788-1794
1795
1786
1883-01
1800