
'Haystack' Boiler, 1775-1799
1775-1799 (original); 1900-1907 (model)
1775-1799 (original); 1900-1907 (model)
1830 (original); 1967 (model)
2000-100 BCE
1934
1837
1955; 1830
1893-4
1838
1837
1863-7
1836
1838
1837
1837
1839
1837
1837
1837
1837
1839
1839
1838
4000-2001 BCE
1839 (original); circa 1988 (replica)
1772 (original); 1919 (model)
1839
1990-96
1838
1837
1930 (replica); 1834 (original)
1705-1737
1839
1870-1877
1839
1837
1642-1649 (original); 1883 (model)
1936
1990-95
1836
1838
1838
1783; 1914
1839
1839
1836
1837
1839
1836
1839
1836