
'Haystack' Boiler, 1775-1799
1775-1799 (original); 1900-1907 (model)
1775-1799 (original); 1900-1907 (model)
1830 (original); 1967 (model)
2000-100 BCE
1934
1955; 1830
1872 (original); 1909 (model)
1899
1899
1899
1899
1899
1801-1892 (prepared); 1946 (element replaced)
1899
4000-2001 BCE
1934
1839 (original); circa 1988 (replica)
1772 (original); 1919 (model)
1990-96
1899
1899
1930 (replica); 1834 (original)
1705-1737
1899
1801-1840 (original); 1901 (model)
1899
1936
1990-95
1925; 1862
1783; 1914
1899
1899
1899
30 CE
30 CE
2686-2613 BCE
1859; 1986
1945-50
1899
1899
1899
30-200
2000-1350
20-500
20-500
2000-1000
3500-1000
2000-1350
1972-3
1899
2000-1000