
Rotative Steam Engine by Boulton and Watt, 1788
1788
1788
1668; 1924
1787
1787
1790
1790
1790
1790
hallmarked 1788
2000-100 BCE
1772 (original); 1919 (model)
1990-96
1790
1788
1787
1787
1790
1705-1737
4000-2001 BCE
1610; 1923
1936
1990-95
1642-1649 (original); 1883 (model)
1730-1760 (original); 1931-1939 (replica)
1789
1777 (original); 1894 (model)
300 BCE; 1905-1915
1960-1979
6000-5000BCE
1789
1774; 1923
1788
1787
circa 3000 BCE
circa 3000 BCE
1910-130
1965-195
circa 2000 BCE
700-100 BCE; 1930-1950
1950-159
1787
1787
circa 3000 BCE
1788
1787
1790
1789
1789
1789
1790