Decorated keystone from South Stockton arch, Thornaby station
1842
1842
1842
1842
1845
1845
1934
1846
1844
1844
1846
1845
2000-100 BCE
1893-4
1841
1863-7
1843
1841
1955; 1830
1990-96
1842
1930 (replica); 1834 (original)
circa 1846
circa 1842
1705-1737
1870-1877
1844
1844
1934
1839 (original); circa 1988 (replica)
1775-1799 (original); 1900-1907 (model)
1842
1845
1841
1846
1846
1772 (original); 1919 (model)
4000-2001 BCE
1830 (original); 1967 (model)
1801-1840 (original); 1901 (model)
1843
1843
1844
1846
1825; 1910
1841
1844
1843
1843
1845
1842