
'Haystack' Boiler, 1775-1799
1775-1799 (original); 1900-1907 (model)
1775-1799 (original); 1900-1907 (model)
circa 1800
1794
1796-1797
1796-1798
circa 1800
1798
1797
1800
1796
1800
1800
1794
1800
1800
1792
1795
1795
1800
1795
1795
1792
1792
2000-100 BCE
1799
circa 1795
1794
1772 (original); 1919 (model)
1792
1990-96
mid-1800s
1705-1737
1797
1800
1799
1795
1800
1797
4000-2001 BCE
1799
1797
1668; 1924
1642-1649 (original); 1883 (model)
1797
2050-1750 BCE
1990-95
1610; 1923
700 BCE; 1931
6000-5000BCE
1960-1979