'Bell-crank' engine, c. 1799
1795-1805 (original)
1795-1805 (original)
1793-1803
1794
1809
1797-1804
circa 1805
1798
1797
1808
1808
1795-1805
1806
1815
1807
2000-100 BCE
1815
1807
1893-4
1863-7
circa 1800
1815
1799
1795-1810
1802
1812
1805
1796-1797
1796-1798
1790-1810
1813
1799-1802
circa 1810
1794
1790
1811-1812
1772 (original); 1919 (model)
1986 (replica); 1501-1600 (original)
1809
1809
1815
1790
1797
1990-96
1801
1705-1737
1796-1815
mid-1800s
1797
1801
1791