![](https://coimages.sciencemuseumgroup.org.uk/96/808/large_thumbnail_df073681.jpg)
Arthington Tunnel memorial plaque, 1849
1849
1849
circa 1840
1842
1850
1842
1840-1850
1847
1842
1845
1845
1848
1850
1849
1850
1846
1845
2000-100 BCE
1893-4
1840
1841
1934
1850
1846
1841
1863-7
1843
1840-1845
1955; 1830
1844
1844
1840
1849
1849
1849
1990-96
1842
1850
1930 (replica); 1834 (original)
circa 1850s
circa 1850
circa 1848
1840
1844
1839 (original); circa 1988 (replica)
1845
1841
1846
1846
4000-2001 BCE
circa 1842