
'Haystack' Boiler, 1775-1799
1775-1799 (original); 1900-1907 (model)
1775-1799 (original); 1900-1907 (model)
1820
2000-100 BCE
1813
1815
1815
1893-4
1821
1816
1815
1863-7
1814
1823
1820
4000-2001 BCE
1821
1819
1813
1772 (original); 1919 (model)
1815
1821
1990-96
1821
1821
1822
1705-1737
1820
1823
1815
1823
1814
1642-1649 (original); 1883 (model)
1936
1990-95
1818
1822
1783; 1914
1817-1820
1822
1822
1819
1819
1823
1816
1816
1816
1816
1816
1816
1816