Pig Iron
1753
1753
1919
circa 19th century
1804
circa 1805
circa 1820-1830
circa 19th century
circa 1870s
circa 1810-1818
1879
circa 1900
circa 1815
1815
circa 1805-1860
circa 1810-1815
circa 1820
circa 1776
1804
circa mid-19th century
1803-1805
undated
undated
1865
1860
1899-02
1820s
circa 1784-1810
undated
circa 1870
1856-1857
circa 1762-1763
circa 1810
circa 1830
circa 1820
1814
1805
1803-1806
circa 1810s
1845-1850
1950s-1960s
1844
1952-09