Rotative Steam Engine by Boulton and Watt, 1788
1788
1788
1994
1795-1805 (original)
1879-1923
1976
1936
1785
1890-1914
1797-1804
1794
1959
1948-1975
1890
1790-1819
1809
1797
1853
1899
1844
1832
1801
1924
1960-1969
1790-1819
1790-1819
1826
1826
1790-1819
1790-1819
1790-1819
1790-1819
1790-1819
1790-1819
1833
1985
1839
1980-1989
1938
1953
1902-1910
circa 1925
1927-1938
1885-1888
1985
1940-1960
1996
1955
1980-1989