'Bell-crank' engine, c. 1799
1795-1805 (original)
1795-1805 (original)
1793-1803
1794
2000-100 BCE
1795-1805
1893-4
circa 1800
1797-1804
circa 1805
1798
1797
1799-1802
1799
1802
1805
1796-1797
1796-1798
1794
1790
1772 (original); 1919 (model)
1775-1799 (original); 1900-1907 (model)
1986 (replica); 1501-1600 (original)
1799
1705-1737
mid-1800s
1790
1797
1801
1791
circa 1795
1805
circa 1800
1792
1801
1795-1805
1791-1792
1797
1990-96
1801
4000-2001 BCE
1804
1888-185
1790-1800
1803
1801-1800
1798
1804
1790
1805
1799