Rotative Steam Engine by Boulton and Watt, 1788
1788
1788
1994
1795-1805 (original)
1879-1923
1936
1785
circa 1917
1890-1914
1976
1797-1804
1794
1839
1959
1890
1948-1975
1809
1797
1790-1819
1853
1899
1832
1801
1844
1826
1924
1790-1819
1790-1819
1826
1790-1819
1790-1819
1790-1819
1790-1819
1833
1790-1819
1956
1790-1819
1790-1819
1917
1982
1772-1774
1790-1819
1985
1980-1989
1953
circa 1925