
Model of Rotative Beam Engine by William Tongue, c. 1804
1797-1804
1797-1804
circa 1800
1785-1789
1780-1800
1778
1782-1793
1785-1790
1776-1780
1776-1780
1776-1780
2000-100 BCE
1776
1784
1798
1797
1799-1802
1793-1803
1794
1777-1785
1778
1782
1787
hallmarked 1788
1795-1805 (original)
1799
1802
1805
1796-1797
1796-1798
1775-1785
1781-1790
1785
1783
1785
1785
1806
1795-1805
1784
circa 1805
1893-4
1794
circa 1780
1784
1784
1783
1806
1799
1788
1775-1799 (original); 1900-1907 (model)
circa 1795