'Bell-crank' engine, c. 1799
1795-1805 (original)
1795-1805 (original)
1903
1797-1804
1785
1846
1840-1851
1862
1839-1887
1898
1775-1799 (original); 1900-1907 (model)
1815
1788
2016
1794
1717-1725
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
1819
1866
after 1859
circa 1862-1910
1884
circa 1923
1980-1983
1867-1933
1925
circa 1909
1908
1985
1808