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Column dial by Henry Robert
1831-1870
1831-1870
1860
1836
1825-1835
1889
1898
1899
1850-1856
1850-1859
1851
1895
1896
1870-1880
1842
1869
1890-1899
1845
2000-100 BCE
1851
1858-03-02
1893-4
1820-1880
1879
1890-1894
1835-1870
1850-1859
1853
1895
1882
1849
1855
1846-1859
1854
1840
1875
1884
1850
1837
1837
1877
1870
1831-1870
1821-1850
1801-1870
1800-1850
1831-1870
1810-1840
1833
1810-1840
circa 1885