'Bell-crank' engine, c. 1799
1795-1805 (original)
1795-1805 (original)
circa 1805
1797-1804
circa 1800
1798
1797
1799-1802
1802
1805
2000-100 BCE
1795-1805
1893-4
1799
1796-1797
1796-1798
1775-1799 (original); 1900-1907 (model)
1990-96
1799
1705-1737
1801
1772 (original); 1919 (model)
4000-2001 BCE
1797
1801
1795-1805
1805
circa 1800
circa 1795
1797
1801
1795-1805
mid-1800s
1805
1836-02
1800
1856-01
circa 1795
circa 1800
circa 1804
30
1800s
1795
1883-01
1795
1805
1800
1800
1800
1805
1803