'Bell-crank' engine, c. 1799
1795-1805 (original)
1795-1805 (original)
1805-1806
1720
1848-1850
1938
1930 (original); 1984 (model)
1901
1901
1901
1901
1901
1901
1901
1901
1891
1901
1901
1887
1901
1901
1805-1806
1887-1893
1884
1888
1924-1937
1901
1901
1901
1901
1901
1901
1901
1901
1901
1901
1891
1777 (original); 1894 (model)
1902
1867-1900
-1920
1901
1884
circa 1916
1901
1698-1744
1840
1901
1805-1806
1848-1850
1884-1887