
'Bell-crank' engine, c. 1799
1795-1805 (original)
1795-1805 (original)
1720
1884
1805-1806
1887
1888
1887-1893
1938
1930 (original); 1984 (model)
1848-1850
1924-1937
-1920
1867-1900
1891
1902
1777 (original); 1894 (model)
1884
1884
1698-1744
1920
1870
1900
1902
1901
1840
circa 1916
1884-1887
1855
1730-1740