
Altered steel bar from a furnace bottom
before 1878
before 1878
circa 2000 BCE
circa 2000 BCE
circa 2000 BCE
circa 2000 BCE
circa 3000 BCE
700 BCE; 1931
1878-03-01
circa 2000 BCE
1853 (original); 1978 (copy)
1878
1879
1878
1945-51
1945-55
1879-1856
before 1879
1899/12
1888/08
1878
1920-1932; 332 BCE-638 CE
1912; 1532
1879; 1896
1878
1879
1998-1886
1879
1879
1884
1930 (replica); 1834 (original)
1878
1879
1878
1988 (model); 1752 (original)
1840 (original); 1892 (model)
1878
1878
1878
2800 BCE
1903
1879
3000 BCE
3000 BCE
1879
1879
2000-500 BCE
2000-500 BCE
2000-500 BCE
2000-500 BCE
1817 (original); 1939 (model)