
'Haystack' Boiler, 1775-1799
1775-1799 (original); 1900-1907 (model)
1775-1799 (original); 1900-1907 (model)
1846
1830 (original); 1967 (model)
1848
2000-100 BCE
1934
1850
1850
1846
1849
1849
1843
1955; 1830
1893-4
1844
1844
1849
1846
1863-7
1850
1847
1850
1849
1845
1845
1845
circa 1850
circa 1850s
1846
4000-2001 BCE
1934
circa 1848
1839 (original); circa 1988 (replica)
1849
1844
circa 1846
1849
1772 (original); 1919 (model)
1990-96
1850
1850
1930 (replica); 1834 (original)
1705-1737
1844
1847-1848
1870-1877
1801-1840 (original); 1901 (model)
1845
1849
1850