
'Haystack' Boiler, 1775-1799
1775-1799 (original); 1900-1907 (model)
1775-1799 (original); 1900-1907 (model)
1820
1820
1815
1815
1893-4
1863-7
1814
1816
2000-100 BCE
1813
1815
1815
1772 (original); 1919 (model)
1819
1814
1990-96
1813
1705-1737
1820
1815
4000-2001 BCE
1813-1814
1668; 1924
1642-1649 (original); 1883 (model)
1818
1813
2050-1750 BCE
1990-95
1813
1610; 1923
700 BCE; 1931
6000-5000BCE
1960-1979
1845-1964
1600-1500 BCE (original); 1900-1914 (copy)
1979-80
1820
1889-02
1850-1899
1819
1814
1820
1774; 1923
1819
1819
1819
2000-100 BCE
1816
1817