Model of William Murdock's Oscillating Engine, 1785.
1785
1785
1760-1770
1794
1785
1762
1762
1762
1778
1762
1782-1793
1783
1785
1769
2000-100 BCE
1761
1761
1776
1784
1784
1785-1790
1762
1798
1762
1762
1797
1762
1778
1777-1785
1782
1787
1764
hallmarked 1788
1762
1762
1770
1799
1776-1780
1776-1780
1776-1780
1796-1797
1796-1798
1775-1785
1785-1789
1781-1790
circa 1780
1790
1990-96
1770
1760-1772
1775-1785