Column dial by Henry Robert
1831-1870
1831-1870
1860
1836
1850-1856
1850-1859
1862
1855-1860
1851
1845
1857-1858
2000-100 BCE
1854
1858
1840-1860
1855
1856
1851
1865
1857-1858
1858-03-02
1850-1870
1865-1866
1835-1845
1850-1870
1893-4
1934
1840-1860
1850
1857-1858
1848-1852
1846
1835-1870
1866
1867
1841
1837
1858
1850-1859
1853
1865
1863-7
1867-1868
1845
1849
1855
1846-1859
1845
1854
1840
1842