'Bell-crank' engine, c. 1799
1795-1805 (original)
1795-1805 (original)
1793-1803
1794
1809
1797-1804
circa 1805
1808
1808
2000-100 BCE
1893-4
circa 1800
1806
1815
1813
1807
1807
1815
1799-1802
1863-7
1815
1799
1795-1810
1802
1805
1796-1797
1796-1798
1790-1810
1795-1805
1798
1797
1812
circa 1810
1794
1790
1811-1812
1772 (original); 1919 (model)
1809
1809
1797
1990-96
1801
1796-1815
1805-1815
4000-2001 BCE
1813
1808
1806
1799
1705-1737
mid-1800s