Pig Iron
1753
1753
circa 1785-1805
1850
circa 19th century
circa 1790-1810
circa 1870s
circa 1950
circa 1968-1974
1960
circa 19th century
circa 1868
1882
1882
circa 1830-1840
circa late 18th century
circa 1950
1942-12-20
circa 1889
1812
1904
1817-1818
circa 1848
circa 1784-1810
circa 1870
circa 1835
1953
1948
undated
undated
1900-1905
1980s
1887-1889
circa 1868
1910s
1815-04-11
circa 1900s
1798
1886
circa 1840-1890
circa 1870-1910
circa 1820-1830
1796-09-14
circa 19th century
1977-02-12
1857
circa 1803
1863
1815
1910-1930
1948-09
1943
1950
undated
undated
1921
2015
circa 1845
circa 1850
undated
circa 1880